Mega Man X:
X returns to battle three weeks after the devastating Eurasia incident. Now that the planet so badly damaged, X has major responsibilities in the restoring of the planet and the fragile relationship between the Reploids and humans. Still grieving for the loss of Zero, his best friend and partner, X now uses Zero's Z-Saber as a never-ending reminder of the good deeds that Zero performed. Still a strong willed fighter of the Maverick Hunters, X continues to work with Signas, Alia and Douglas to restore peace throughout the world. Once the worker reploid went crazy and began the latest outbreak of chaos, X must now defend the world from the insane Gate, and must stop him from creating his evil Reploid-only utopia. But during the new battles that occur, X is always on the look-out for a sign that Zero may have survived their previous battle with Sigma.

Zero:
During the Eurasia incident and the previous battle against Sigma, X and Zero defeated Sigma's battle bodies, but Sigma managed to take Zero down with him. X, believing that Zero was lost forever in that battle, did not realize that Zero did in fact just barely survive, and went into hiding to repair himself. Now back at full strength, Zero reunites with X (after X destroys the Zero Nightmare) to once again battle evil. His near-death did not affect his abilities, as Zero now has a range of techniques and weaponry, all capable of taking down any enemy. Feeling responsible for the outbreak of the Nightmare at Gate's hands, Zero feels he must face his past again and destroy the terror that his own body has caused, and is looking forward to facing Sigma again, to prove once and for all that Sigma can never defeat him or X.

Dr. Light:
Dr. Light will be waiting in the special upgrade capsules, eagerly awaiting X or Zero to find them. Once again, he'll give X new armor parts for the Blade Armor and Shadow Armor, but neither can be used until all the parts have been found. Still watching over X and Zero, Dr. Light is praying for world peace, but is sure that it will be won some day while X and Zero are still together, fighting for the good of all.

Alia:
Alia continues to aid the Hunters by giving them valuable advice during dangerous missions. She'll often contact X or Zero while they traverse through the stages of the game (press Select to listen to her) and provide the player with important information dealing with traps and obstacles in each stage, as well as some background info on the investigators of each stage. Once Gate's colleague, Alia is very sympathetic towards him, and is sad that he's become a monster, one not interested in world peace but building a Reploid-only utopia. She can recognize the evil in him, and is trying to aid the Hunters as best she can to bring him down, but finds it difficult to be fighting against an old friend.

Signas:
Still supporting the Maverick Hunters for everything they stand for, Signas returns to lead the Hunters to victory. Signas watches over all the missions performed by X and Zero, and often offers advice on particular situations. Always there to offer help and advice, Signas continues to prove his leadership skills for the Hunters, and is always confident in X and Zero's capabilities.

Douglas:
Douglas also returns to help out the Hunters in any way he can. Still the top mechanic and engineer he has always been, Douglas can use the parts gained from certain trapped Reploids once they've been rescued to make powerful Power-up parts for both X and Zero to equip. Ever since the Eurasia incident, Douglas has begun to improve his skills, so much so that once X or Zero find a part from a rescued Reploid, he'll have the new part finished almost immediately with little waiting time.

Gate:
Gate is the evil mastermind behind all the Nightmare occurrences that are causing chaos everywhere. Once a trusted and highly intelligent colleague of Alia's, Gate was finding himself held back by his peers, and broke away to begin his own research. After the Eurasia incident, Gate went to the crash site to survey the damage, and managed to reach the place where X and Zero has just fought and defeated Sigma. Finding what seemed to be a piece of junk, Gate actually recovered a piece of Zero containing his DNA. Not knowing the dangers of Zero's dangerous and unknown interiors, Gate used the DNA on himself and became insane. The DNA had a Maverick-like affect on him, but instead of causing him to go crazy, he began to make plans to build a Reploid-only utopia. Using the DNA which became known as the Nightmare, Gate created eight new robots designed to seek out and recruit other Reploids for his evil utopia. He also created the super-Reploid High Max, all this seemed to guarantee him victory, but he had forgotten about the Maverick Hunters, and in particular, X...

Isoc:
Isoc is Gate's top commander of his vast army. Faithfully obeying all orders given to him, Isoc will gladly do as Gate says to bring about his new Reploid-only utopia. Calling out for all Reploids to join him, Isoc claims that Zero has caused all humans and Reploids much pain, and that the new Nightmare threat (which was in fact created by Gate) must be stopped. Behind the lies, Isoc is trying to gather as many supporters for Gate as possible. Not exactly a strong fighter, Isoc will not face X or Zero in battle, instead he has been conducting research into a new plan by Gate to take over all the Reploids on the planet...

High Max:
High Max is an immensely powerful Reploid designed and built by Gate. As Gate's first creation once he gained Zero's DNA and began the Nightmare crisis, High Max is incredibly powerful and built to rival X and Zero's strength. Surpassing them in strength, but not intelligence, Gate believes that High Max is the key tool in the destruction of X and Zero as well as any others who stand in his way. X and Zero will have to face High Max before confronting Gate, but his strength and power might be too much for them, unless they can break through his seemingly invincible body and find his weakness...

Dynamo:
Dynamo managed to survive the Eurasia incident, and is now a true mercenary, he works for no-one but himself. Still annoyed that he could not defeat X or Zero in his previous work for Sigma, Dynamo realized just how strong they were, and after Sigma was defeated, Dynamo couldn't care less about Sigma or the fading Mavericks anymore. Working to gain stronger, Dynamo has recently been scouting out the Nightmare areas, eager to gain as many DNA Souls as he can to increase his strength and power. He won't directly interfere with X and Zero this time, but if they manage to catch him lurking around any of Nightmare areas, he'll try his luck in attempting to overcome them.

Sigma:
Sigma has managed to return, but not intentionally. After the Eurasia incident, once Gate used Zero's DNA on himself and became insane, he resurrected Sigma to be a part of his own army. Still as evil as ever, Sigma was given a new body by Gate, but it was a heavily damaged body and left Sigma very weak. Now all Sigma does is watch as Gate continues with his plan to take over the world for his own Reploid utopia, but Sigma probably had other plans on what to do with Gate once he regained his full strength. With his Maverick army completely destroyed and the remaining viruses wasted when he spread it all over Earth during the Eurasia incident, Sigma now relies on Gate to defeat X and Zero, but Sigma's many past losses against X and Zero lead him to being prepared if Gate manages to lose against them, and once that day comes, Sigma will be ready and waiting to take them on again, preparing his new battle body for action...

Intro Stage:
Not much difficulty here, you'll just need to make your way across the ruined surface to the underground complex ahead. Make your way over the terrain and use the X-Buster or Z-Saber to easily destroy any resistance along the way. Once you reach the entrance of the complex, head in and move on. You'll eventually reach a ladder that is blocked by a large block. Use the Z-Saber to destroy the block and any others that you come across. Keep going and you'll find large circular machines rolling towards you. Use the Z-Saber to destroy them. Head on and you'll eventually reach an area with large drill-type machines in the ceiling. Pass under them quickly as they'll crash down and try to crush you. Once you make it through this area you'll reach the end of the stage where you face the Giant Mechaniloid and High Max.

 

Commander Yammark Stage:
You'll begin in the middle of an Amazon forest, surrounded by lush foliage. Head right and you'll eventually come across strange looking slug-like creatures. You can ride on their backs, just make sure that you don't shoot them otherwise they'll curl up into a ball and roll around. Later on you'll need to ride on them to pass through a spike filled area. Keep going right until you reach an opening in the ground past the praying mantis-type enemy (they can be completely destroyed by hitting them with the Yammar Option weapon). Drop down the shaft and head left. You'll encounter the first Nightmare enemy down here, destroy it and move on. Destroy the snake-like creatures dangling out from the roof and floors, and keep going until you reach another opening leading down further underground.
 Head on down to the right and you'll eventually find a new underground ice-cave area. You'll have to be careful here as there'll be a lot of spike-filled areas about. Head on through the cave system and you'll find an area where the floor is completely lined with spikes. Here you'll have to ride across the slug creatures to avoid the spikes, as you go along be sure to destroy the flying robots, they'll shoot down annoying projectiles from above to distract you. Once you reach the final slug (the spike floor level will drop a bit) jump over what looks like a large hole and you'll land on safe ground below. Head right to leave the underground cave. You'll be back out in the open, in an area where large platforms hover above a huge hole. Make your way over the platforms, you'll have to destroy many of the praying mantis enemies before reaching the end. Keep in mind that there's a few trapped Reploids out here. Once you reach the end you'll find the entrance leading to Commander Yammark's room.

Secret Boss Room: Just after you enter the underground ice-cave area, head forward and you'll eventually find a pole leading down into a large hole in the ground. You'll now need X's Blade Armor, or Zero to reach the teleport portal. Jump up into the hole in the ceiling above and you'll find a new area. Many trapped Reploids will be here, make sure you rescue them all. Head right and you'll find loads of the snake creatures coming out of the floor and ceiling. Make your way through here, you should eventually reach another large hole leading down. Jump up to the opening on the right to find another trapped Reploid by a Nightmare, then drop down the hole and stay against the right wall. You'll fall down straight into the teleport portal below. For the next area, you must have X with the Blade Armor equipped. Head right and you'll find another open area with platforms over a huge hole. Head over the platforms, you'll find several praying mantis enemies along the way, you'll also find areas where you need the Mach Dash to get through, otherwise you won't be able to make it. Keep going and you'll eventually reach the end to find the secret boss room.

Nightmare System Effects:
1 - In some areas you'll find wind blowing down to the left, this will cause your character to move a little slower than normal against the wind.
2 - In certain areas two floodlights will appear and dramatically reduce your visual clarity of the screen. The screen will be heavily darkened and you'll have a little better vision when the lights move around.

Commander Yammark's stage affects Blaze Heatnix (1) and Shield Sheldon's (1) stages.

Ground Scaravich Stage:
Ground Scaravich's stage will be a large museum with four inner sub-areas which will be random each time you enter the stage. Head down the staircase on the right and move forward. You'll eventually find a large transparent blue totem pole. Touch the pole to transport to an inner sub-area. Each area is fairly small, you'll have to make your way to the end of it to reach small orange statues. Destroy the statue to teleport back to the main museum. You'll also find that each area is swarming with Nightmares, use these areas to build up your Nightmare Soul count. Once you destroy the orange statue, you'll be able to move on in the main museum.
 You'll reappear near the totem pole that teleported you, but it'll now be active and will attack you. Four heads are on the pole separated by a larger head in the center. Each pair of heads will spin around and fire energy balls or arrows at you, dodge their fire and blast away at them. Once you destroy two heads, the center head will take off and come after you. Quickly destroy it and finish off the remaining two heads to destroy the pole. Move on and drop down the hole ahead. Go left and you'll find the second totem pole. You'll teleport to another inner-area. Make your way to the end of it and destroy the orange statue. Once you teleport back to the main museum, head forward and take out the totem pole. Move forward and drop down the next hole. Head further down to the third totem pole. Enter the inner-area and destroy the orange statue. Blow apart the third totem pole and head on to the final one past a bed of spikes. Clear the final inner area and destroy the fourth totem pole to finally reach Ground Scaravich's room.

Secret Boss Room: Eventually you should find the teleport portal in clear view in one of the inner-areas. As the inner-areas are random, it might take a while to find it, but once you do, head in to reach the path leading to the boss room. You'll now be in a large room full of Nightmares, head through and destroy as many Nightmares as possible. You should eventually find the door leading to the secret boss room.

Nightmare System Effects:
1 - In some areas you'll find wind blowing down to the left, this will cause your character to move a little slower than normal against the wind.
2 - Throughout the inner-areas you'll find large silver blocks scattered through out the rooms. They'll move around a bit to try and block your path, make sure you don't get caught above or below them when they move. You can destroy them with the Metal Anchor/Rakukojin.

Ground Scaravich's stage affects Metal Shark Player (2) and Shield Sheldon's (2) stages.

Blaze Heatnix Stage:
Blaze Heatnix's stage will be filled with large red circular mechaniloids like the one pictured on the right. You'll have to face many of them before reaching Blaze Heatnix's room, each one has a lot of health, so it'll take some fancy footwork to dodge their attacks. Once you begin, head forward and drop down into the area where you have to fight the first giant mechaniloid. You'll notice that it'll have four green bulbs around it, it'll often fire out green energy balls at you, so get ready to dodge them. The entire thing will be moving back and forth across the room, jump up the wall and over it when it passes or crouch down in the low trenches to dodge it. If you use the Meteor Rain/Ensuizan you'll heavily damage it, otherwise just use the Z-Saber or the Giga Attack and hack away at the bulbs when it stops moving. Keep dodging it and you'll eventually destroy it.
Once it blows head through the door on the right. You'll now be in a large shaft leading down filled with fire exhaust ports. Head down and make sure you dodge the flames, they cause serious damage if they hit you. Keep winding your way down through the platforms, once you reach the bottom of the shaft you'll spot a hole leading down on the right. Drop down and you'll land in another cavern with the second giant mechaniloid waiting. A large platform is in the center of the room, the mechaniloid will move around this in an anticlockwise motion, jump up the wall and blast away at the bulbs when it comes into range. Once you destroy it head through the door on the bottom right corner of the room. You're now in a large shaft with two doors on the right wall - one on at the base of the shaft and the another a little higher up. At the top of the shaft is the area leading on to the secret boss room. You can go through either of the two doors, they both lead to similar areas where you'll be facing another giant mechaniloid. In both rooms, you'll have vertical poles you can grab onto to help you dodge the mechaniloid as it moves around. A good tactic is to follow it to the edges of the room, then when it stops use the Giga Attack (Falcon Armor is the best) and you should cause severe damage to it. Finish it off then move on through the door on the right of the room. You'll now enter into either the base of a large shaft or about halfway up (if you went through the upper door in the previous shaft-room). Lava will begin to flow up into the room and another mechaniloid will appear from below. The screen will begin to move up as well as the lava so you'll need to be quick to avoid it. Each time the mechaniloid comes up try to cause as much damage as possible with the Z-Saber (or the Giga Attack), as it'll be difficult to hit the two lower bulbs. Keep moving up the shaft while damaging it, then once you destroy it head up to the top of the shaft. Head through the door on the right to enter the room with the final mechaniloid. This one will be much easier to fight, as you'll have three platforms to stand on while the lower part of the room fills with lava. Wait for the mechaniloid to hover below you, jump up over it and it'll rise up out of the lava. Hack away at the bulbs before it lowers. Keep this up to destroy it, then head into Blaze Heatnix's room on the right.

Secret Boss Room: Once you reach the first tall shaft after destroying the second mechaniloid, the path leading to the teleport pad is up at the top. You'll need Zero or X with the Blade Armor equipped. X will also need either the Speedster or Hyper Dash, and the silver blocks will help as well. Go up to the top of the shaft and double-jump up or Mach Dash up through the opening in the ceiling. You'll be able to pick up a lot of trapped Reploids, a heart and upgrade capsule on the way, but once you reach the top of the shaft, head right to eventually find the teleport portal. Once you reappear, you'll be at the base of a tall shaft filled with the fire-exhaust ports. Head up the shaft and make sure you pick up the energy tank along the way. Once at the top, head right to eventually find the door leading to the secret boss room.

Nightmare System Effects:
1 - In some areas small bug-like mechaniloids will appear and hover just in front or behind your character. They'll block your shots and sometimes try to hit you. You can ward them off with a few shots or swings, eventually they'll all fly off.
2 - Throughout the stage you'll find the large silver blocks scattered throughout the rooms. You can use them to reach higher areas, but if they block the way use the Metal Anchor/Rakukojin to destroy them.

Blaze Heatnix's stage affects Blizzard Wolfang (1) and Infinity Mijinion's (2) stages.

Blizzard Wolfang Stage:
Blizzard Wolfang's stage will be full of areas where huge ice blocks will be tumbling down the screen either straight down or rolling down a slope. They cause serious damage if they strike you so you'll have to be quick to dodge them. Once you begin, head right over to the pole leading up to the slope. As you head up the slope, you'll find it difficult to climb as everything is very slippery, try to hide below outcroppings before the avalanche begins. If you're quick enough, you should be able to make it all the way to the top before the blocks fall. Hide in the small alcoves and below outcroppings on your way up, and make sure you destroy the enemies you'll encounter along the way.
 You'll have to survive several avalanches before reaching the top, but once you get there, head right and you'll find an open area where more ice blocks will fall from the ceiling. Once the blocks stop, jump over to the small platforms sticking up from the hole. Make your way over the hole, once you reach solid ground you'll find another slope leading down. Head down the slope once the avalanche stops and go down the ladder at the base. Drop down and climb up the slope on the left, but be careful as large blocks will bounce down from above. Drop down once you reach the top and head down the next slope. Eventually you'll reach a flat area, go forward and drop down into the large pit ahead. It'll look as if you're trapped, but ice blocks will begin to drop down one by one from the ceiling. Make sure you don't get crushed by any, and once enough have landed near the right wall, jump on them to reach the top of the hole. Once you get out of the hole head right and jump into the next pit. You'll find a few spiked areas in this next hole, so make sure you avoid them. Once enough blocks drop down from above, jump up and head out of the hole. Go right and you'll reach a large shaft leading up. Climb up the ladder and you'll spot a row of blocks beginning to fall down. A gap will be in each of the rows, just before the row lands jump up as the gap will seal and if you're in it when it seals you'll lose a life. Keep heading up the shaft as the blocks fall, and try to rescue as many trapped Reploids on the sides of the shaft as possible. Once you reach the top head through the door on the right to reach Blizzard Wolfang's room.

Secret Boss Room: You'll need to enter this stage when it shows up as red on the Boss Selection screen so that the meteorites will be falling down in certain areas. You'll also need to be using Zero, or X with the Blade Armor or Shadow Armor. Once you reach the first area where the ice blocks tumble down the slanting slope, head down to the base of the slope and head through the opening ahead. You'll now be in the area where the energy heart and EX tank are hidden. You should be able to see the teleport portal high up on the other side of a wall, jump down below it and use the Mach Dash or Zero's double-jump to reach it. If you're using the Shadow Armor, drop down the spike lined hole, grab the EX tank (if you haven't yet) and go up the ladder to reach the portal. Once inside, head down the long ramp ahead and blast any enemies along the way. Dodge the spikes and holes along the way, once you reach the base you'll spot a pole leading down. Grab hold of it and slowly move down to the bottom. Directly below is a bed of spikes, to the left is an area with a trapped Reploid (you'll need the Shadow Armor to reach him), and on the right is the door to the secret boss room. Jump over the spikes to reach the door.

Nightmare System Effects:
1 - In certain areas of this stage large flaming meteorites will be falling down from the top of the screen.
2 - Soul Body clones of X or Zero (the opposite character to the one you're using) will appear in certain areas and will fly into your character after appearing, try to jump over them as they pass or use the Guard Shell to destroy them.

Blizzard Wolfang's stage affects Metal Shark Player's (1) stage.

Rainy Turtloid Stage:
Rainy Turtloid's stage will be a long open area trek down a long river, so you'll have to make sure that you don't fall in the water. Once you begin, head right and jump over the water pits ahead. After clearing the first few, you'll reach a building with a health pod at the entrance. Head in and you'll notice that heavy rain will begin to pour down from above. X or Zero will speak to Alia about the acid rain, you'll have to be quick in these areas as the rain will slowly drain your character's health. Inside the building you'll have to find four small cores and destroy them, look around for them, then once you clear them all, drop down to the floor and destroy the large object blocking the exit on the right. Once you blow the machine, the rain will stop and you'll be able to move on.
 Go over to the cave ahead and the rain will begin coming down again. Head up the sloping ramp and you'll encounter a large mechaniloid at the top. Wait for it to move it's arm then blast away to destroy it. Destroy the core at the base of the ladder ahead, then head up and continue on. Head to the left above and destroy the next large mechaniloid you come across. Blow the core below the next ladder and head up out into the open. Go up the sloping ramp and destroy the mechaniloid at the top. Destroy the core, then drop down into the large hole on the right. The final core is just above the generator, destroy it to remove the generator's shield. Blow the generator and continue on. Just ahead is a very long river, so you'll have to be careful now. Jump across the ledges in the water, and make sure you destroy any cores along the way. When you reach the moving platforms, be patient and wait for them to come close enough, then use them to get across the river. After you destroy two cores along the way you'll reach an area full of energy capsules, this is also a useful area for filling up energy tanks. Keep going and you'll eventually reach the generator. If you managed to destroy all the cores along the way it's shield will be down. Destroy it and head into the next inner-area. In this next area, you'll find a large hole ahead with poles leading down. Straight ahead is the Armor capsule for the Shadow Armor beyond spiked areas, you'll need the Blade Armor to reach it. Down the hole are three tunnels leading off both the left and right walls, some will contain the cores and others trapped Reploids. At the end of each tunnel is a small opening lined with spikes, wait until you get the Shadow Armor before trying to get through them. The cores will be hiding on the middle and lower left tunnels, while the cores on the right will be in the lower and upper tunnels. Once you destroy the four cores head down to the middle right tunnel to find the generator. Destroy the generator and head through the door to reach Rainy Turtloid's room.

Secret Boss Room: In the final acid rain area with the tunnels leading off on each side of the large hole, head down the lower left tunnel to reach the teleport portal. You'll need to make it past the spiked hole, the Shadow Armor makes it very easy but if you use Zero or any other suit for X you'll have a difficult time aiming a mid-air dash correctly. Once inside you'll have to destroy more cores to stop the acid rain. You'll be in a large room with many tunnels leading off down the left and right walls. Many of the tunnels will contain trapped Reploids and energy capsules, the cores will be hidden down the following tunnels: (the top level where you start is classified as the first tunnel) on the right wall down the second tunnel from the top, left wall third tunnel from the top, fourth level down in the right tunnel and finally, bottom level in the left tunnel. Once you destroy all four cores destroy the generator in the lower right tunnel and head through the door to reach the secret boss room.

Nightmare System Effects:
1 - In certain areas two floodlights will appear and dramatically reduce your visual clarity of the screen. The screen will be heavily darkened and you'll have a little better vision when the lights move around.
2 - Soul Body clones of X or Zero (the opposite character to the one you're using) will appear in certain areas and will fly into your character after appearing, try to jump over them as they pass or use the Guard Shell to destroy them.

Rainy Turtloid's stage affects Commander Yammark (1) and Ground Scaravich's (1) stages.

Metal Shark Player Stage:
Metal Shark Player's stage will be dominated by a large trash compacter, you'll have to avoid being crushed by it quite often. Once you begin, head forward and jump into the Raiden Armored Carrier. While in the carrier you can't be crushed by the compacter, so use it as long as you can. Head right and traverse over the piles of junk in the way. Trash any enemies you come across, then once you reach a tall pile of junk too high to jump over, leave the carrier and head on. When you reach a higher area where the compacter crashes down to the ground level, dive into the small trenches to avoid it. Keep going and you'll eventually move clear of the compacter. Head down the ladder on the right to land in another compacter area.
 You'll be going left this time, and the compacter will have many more obstacles to avoid. Head in and be ready to move quickly. Destroy the gray blocks of junk that get in your way, and make sure you clear out all the Nightmares here, as a few trapped Reploids will be hiding among the junk piles. Small pylon extensions will be jutting out from the compacter, make sure you don't get crushed by any of them. Once you eventually reach a ladder leading down, head down and touch the teleport portal to warp to the next area of this stage. You'll now be in an area with another compacter, but the conveyer belt will be moving to the left, so you'll have to be quick to avoid being crushed. Walk against the conveyer belt to the right, you can also jump to move against it's motion. The compacter will have the large pylons attached to it again, make sure you don't get crushed by them. Move along through the piles of junk, and be careful of the spikes sticking out from the compacter and the ground. If you see any gray blocks sliding towards you, quickly destroy them before they crush you between piles of junk. Once you reach a point where spikes are lining a block of junk, jump up the side of the pylon coming out of the compacter on the left, then once the compacter rises up, mid-air dash to the right over the spikes to dodge them. Keep moving through the junk, and keep an eye on the height of the compacter, as you'll have to crouch down in some areas to avoid being crushed. Eventually you'll reach the end of the compacter and emerge to an open area. Head forward and a massive trash compacter mechaniloid will drop down from above and literally fill the screen. It'll rise up a bit and an energy bar will appear. Once it begins to attack it'll lower down two arms with spikes so make sure you don't touch them. It'll drop down several bombs, try to stay out of their way as they bounce along the ground. Eventually it'll lower down a large object with six circular cores on it. The blue ones will fire off shots at you, the purple ones are the weakness of the mechaniloid. Blast away at the three purple cores to damage it, once you destroy the three cores the entire thing will blow. Make sure you dodge the spike attacks it launches. Once it blows head through the door ahead to reach Metal Shark Player's room.

Secret Boss Room: At the end of the second trash compacter area, instead of heading down the ladder to teleport to the next part of the stage, keep going left and you'll find that the room will keep going. You'll need to be very fast to get through the narrow passage below the compacter without being crushed, and below you'll need the Blade Armor with the Speedster part equipped or the Ultimate Armor. Once you clear the compacter you'll find a ladder leading down. Drop down below and head right. You'll find a huge hole with three Nightmares floating above it. Destroy them and use the Mach Dash or the Nova Strike attack to reach the other side. Beyond the point where the Helmet capsule for the Shadow Armor was, the teleport portal will be waiting. Head in to teleport to the secret boss room area. You'll now be in another conveyer belt area, but this time the screen will automatically move to the right. You'll have a Raiden Armored Carrier available, but you'll probably find it easier to make it through on foot if the brown blocks are active in this stage (destroy them with the Ground Dash). Head through the compacter area, and make sure you don't get caught on the left side of the screen. If you see any gray blocks sliding towards you, quickly destroy them before they squash your character. This area is fairly straight forward, eventually you'll reach a tall pile of junk with a trapped Reploid behind it. Just behind the Reploid is the door leading to the secret boss room.

Nightmare System Effects:
1 - During the second part of the stage with the moving conveyer belt, you'll notice that parts of the junk piles will be covered in slippery ice. Your character will slip around on the ice.
2 - In some areas brown, red, black and blue blocks will appear and often block your path. The brown ones can be destroyed with the Ground Dash, while the others can be moved by moving towards them and pressing fire with the Ground Dash.

Metal Shark Player's stage affects Blaze Heatnix (2), Infinity Mijinion (1) and Ground Scaravich's (2) stages.

Shield Sheldon Stage:
Shield Sheldon's stage will be full of areas with strange laser devices. Once you begin, head right until you reach a large hole. You'll notice a Metool will be walking in mid-air, it's actually standing on an invisible block - more work of the Nightmare. Three blocks span the gap, try to estimate where they are or just dash-jump to the other side. Keep going and you'll reach another hole with the invisible blocks, head across and move inside the Laser Institute facility. Just ahead will be a single laser and a mirror reflector in front of a sealed door. Stand by the door and wait for the laser to fire at the mirror. Once it hits the mirror the beam will redirect and hit the door to open it. Head in and continue on to the next door. Wait for the laser to hit the mirror, then the door will open.
 In the next room you'll have to shoot the mirror by the door to reposition it. Once it's in the correct position, the reflected beam will hit the door and open it. Enter the next room and jump up the tall platform. Shoot the mirror straight ahead to allow the laser beam to reflect down to the lower right of the screen. Follow the beam down and you'll find two more mirrors by two doors, one in the right wall and one in the floor. Redirect the mirrors to open each door, the door on the wall leads to Shield Sheldon's room while the one in the floor leads to the secret boss room.

Secret Boss Room: At the end of the stage just before Shield Sheldon's room you should spot a door in the floor. Use the mirrors to reflect the laser beam to hit the door, then head down into a complex laser-mirror area. You'll need to redirect the lasers to hit the purple beam emitters, once they're hit they'll begin to fire. Keep moving along the room and redirect the beams to the end of the room, you'll find another door in the floor. Use the mirrors to direct the laser to hit it, then drop down below. Through the left wall below is another upgrade capsule, head right to reach the teleport portal. Avoid the spikes along the floor, when you reach an open area jump over to find invisible blocks appear when you land on them. Go a little further forward to find the teleport portal. In the new area you'll just have to head over spiked areas and a large hole before reaching the end. On the way you'll spot the weapon tank lying on a bed of spikes, you'll need the Shadow Armor to reach it. Head over the large hole by traversing across the suspended poles in the air to reach the boss room.

Nightmare System Effects:
1 - In some areas small bug-like mechaniloids will appear and hover just in front or behind your character. They'll block your shots and sometimes try to hit you. You can ward them off with a few shots or swings, eventually they'll all fly off.
2 - In some areas brown, red, black and blue blocks will appear and often block your path. The brown ones can be destroyed with the Ground Dash, while the others can be moved by moving towards them and pressing fire with the Ground Dash.

Shield Sheldon's stage affects Blizzard Wolfang (2) and Rainy Turtloid's (2) stages.

Infinity Mijinion Stage:
Infinity Mijinion's stage will have you battling against a gigantic mechaniloid in the background. You'll have to battle against it for most of the stage, so get ready to move quickly. Once you begin and the mechaniloid appears, it'll repeatedly fire down huge energy balls from it's face. Keep moving to dodge it. Head down further into the stage and avoid the large holes along the way. Small bird-like robots will appear often and fire at you, try to destroy them before they ram you. Eventually you'll reach a huge cable and an energy bar will appear. You'll need to strike the large red core on it to cause damage, if you use the Meteor Rain/Ensuizan, it'll cause severe damage. Once the cable blows you'll be able to move on.
 The giant mechaniloid will use a new attack, the head will rise up and close in on you, three small drones will then appear around the screen. A large red beam will scan along the screen from the head, if the beam hits you while you're on the ground, it'll lock onto you and after a second the three drones will fire out energy beams at you. Jump up quickly to dodge them, and try to stay off the ground to dodge the scanner beam. Keep going and you'll eventually reach the next cable. The mechaniloid will call down two large walls which will fire energy blasts at you, use the same tactics as before on the red core to destroy it. Once the cable blows the entire mechaniloid will explode. A teleport portal leading to the secret boss room will appear, head right to continue on to Infinity Mijinion's room, which is just a little further down.

Secret Boss Room: After you destroy the second cable which will cause the giant mechaniloid to explode, the teleport portal will appear in the air. Jump into it to teleport to the secret boss room area. Once you reappear, head right to find a huge hole and a long pole extending across. Head over and destroy any Nightmares along the way, you'll also find many trapped Reploids here, be sure to save them all. Keep jumping across the poles and you'll eventually reach the other side where the door leading to the secret boss room will be waiting.

Nightmare System Effects:
1 - Throughout the stage you'll find the large silver blocks scattered throughout. You can use them to reach higher areas, but if they block the way use the Metal Anchor/Rakukojin to destroy them.
2 - In certain areas of this stage large flaming meteorites will be falling down from the top of the screen.

Infinity Mijinion's stage affects Commander Yammark (2) and Rainy Turtloid's (1) stages.

Gate's Laboratory Stage 1:
You'll need X equipped with the Shadow Armor or Zero to make it through the first area of this stage. Once you begin, you'll land among the ruins of Eurasia's crash site. The entrance to Gate's lab will be further ahead through the ruins. Once you reach the huge opening in the ground, Alia will speak to your character and say that she won't be able to contact you while you're inside. Drop down the huge hole and make your way inside. You'll enter into a colorful interior complex, but the first part will have walls lined with spikes. If you're using X with the Shadow Armor, don't even worry about the spikes, just climb up the walls to reach the top of the shaft. If you're using Zero, use the Hyoroga so that he jumps up and hangs from the ceiling. Once there, dash to the left or right so that you avoid the spikes and land on safe ground.
 Once at the top head right to find a long sloping ramp heading down. The ramp will be covered in ice so you'll have to be careful. Head down and try to dodge the lasers and holes along the way. Once you reach the bottom head up the ladder on the right into a new shaft. Head up the shaft and try to avoid the intense laser beams along the way, as well as the enemies climbing around the walls (do they look familiar?). Once you reach the top head right and move down along the corridor. Destroy all the enemies along the way, make your way through all the lasers and enemies and you'll eventually reach a door. Head through and as soon as you can move again jump up the wall as lava will begin to fill the room. Once it just about reaches you it'll lower down below you. Jump down and quickly head through the door on the right. Go over to the hole in the roof and the lava will rise again. Quickly head up through the hole and go right. Destroy the enemies along the way and you'll eventually reach a ladder leading down. Wait for the lava to lower, then climb down and head right. Head through over to the icy ramp and the lava will begin to rise again. The screen will slowly move up, follow it up the large shaft and make sure you destroy any Nightmares you encounter. Try to avoid the spiked areas along the way, eventually you'll reach a door at the top of the shaft. Head through it to confront the boss of this stage.

Gate's Laboratory Stage 2:
Halfway through the second Gate's Lab stage you'll have to fight High Max. Once you begin, jump up to the poles leading up and make your way up the shaft lined with spikes. Try to destroy the brown blocks that appear, and you'll have to jump from pole to pole before reaching the top. Once you reach the top, head right. Keep going until you spot a large mechaniloid which will fire missiles at you. Destroy it, then head up to the platforms above it. Make your way across the platforms and destroy any Nightmares that appear. Keep going and you'll eventually reach a small room full of Nightmares. Destroy them all and grab the large energy capsule in the corner before leaving. Drop down the hole and head right.
 In the next area you'll be in a large room with four of the totem poles from Ground Scaravich's stage scattered around. Head over to the first pole and destroy it by blowing out the four heads and the center head. Continue on and destroy the second pole. When the small energy balls moving around the floor stop moving and open up, blast them quickly before they fire. Climb up the ladder after the second pole and jump over to the moving platform. On the left is another totem pole, stay on the moving platform and blast away at the heads. Hit the lower two heads by sliding down the side of the platform. Once it blows head over to the platform on the left. Go left and you'll see another moving platform. Jump over to it and begin firing away at the totem pole on the left. When the platform rises up to the roof, slide down the side of it to avoid being crushed. Once you destroy the pole head up the ladder behind it. Head right and over the spikes in the floor to find another totem pole. Destroy it and head right to find yet another one beyond a bed of spikes. Trash it and head up the ladder behind it. Go left and you'll find an area filled with spikes, so you'll have to be very careful here. Wait for the moving platform to come close, then jump on and ride it to the left. Crouch down to avoid the spikes in the roof, then once you reach the second vertical moving platform, jump on it but make absolute sure that you don't ride it as it goes up as it'll move straight into the spikes in the ceiling. Wait for the third platform ahead to move clear, then jump over the spikes on the left and mid-air dash to fly past them to land on safe ground. Once you're through, climb up the ladder and head through the door on the right to confront High Max. Once you defeat High Max you'll reappear in a new area. Head down the corridor and destroy the robot birds that fly at you. Dodge the small bed of spikes here and there, and destroy the rolling machines with the Z-Saber. Keep going down the corridor and you'll eventually reach a teleport portal. Head in to warp to the next area. In the next area you'll have to destroy many of the mechaniloids that appeared in Rainy Turtloid's stage. Head right and make your way past each of the mechaniloids. Once you reach an area with a hole next to a mechaniloid, slide down the wall but don't drop down as spikes are below. Jump to the safe platform and trash the next mechaniloid. Keep going and you'll eventually reach and area where acid rain will begin falling. You'll need to destroy the small cores again before you can destroy the generator. Head over the large hole across the platforms, but make sure that you're not using the Shadow Armor at all during this stage as you'll need the mid-air dash move here. Keep destroying the cores and then blow the generator when you reach it. Head through to the next acid rain area. Move through and destroy all the cores, once you destroy the second generator you'll teleport to the final area. Head down the long corridor and destroy any of the bird robots that fly at you. Once you reach the end of the corridor head through the door for the final showdown against Gate.

Gate's Laboratory Stage 3:
The final stage will contain the eight teleport pads which lead to rooms where you have to fight the eight bosses again. Once you begin the stage, head right until you find an opening leading down. Slowly drop down the gray platforms while avoiding the spikes, once you reach the bottom head right to find a long shaft leading down containing teleport pads. Once you beat the eight bosses again, a final pad will appear, use it to teleport to the final area. Head through the next area and you'll eventually reach the room where you'll have the final showdown with Sigma.

Commander Yammark:
Guide: Commander Yammark will float down into the room and summon three smaller dragonfly-type projectiles which will float around him. Once he begins he'll move to the right corner and send his dragonflies moving up and down the screen. They'll begin firing out small energy balls from different positions, get ready to jump over and duck them as they fly past. He'll also often charge forward while firing the dragonflies, jump up the wall then over him as he passes, but be careful as the dragonflies will also fire out behind him. Keep in mind that you can destroy the energy balls by shooting at them with the X-Buster. Use the Ray Arrow to defeat him, or if you don't have it yet just stick with the X-Buster. After you hit him a few times he'll summon more dragonflies (up to a maximum of six), so you'll have to dodge even heavier fire now. Once his health's half gone, he might begin to fly straight at you. Jump up the wall and mid-air dash over him, but be careful as the dragonflies will be following him from behind and will drop small bombs down to the ground. He might also set his dragonflies into positions above and below him, he'll then move forward and try to hit you with his dragonflies. Try to dash under them as they move up. Keep hitting him with the Ray Arrow or blast away with the X-Buster to finish him off.
Weakness: Ray Arrow.
Weapon Received: Yammar Option.

Ground Scaravich:
Guide: Ground Scaravich will be pushing a large boulder around most of the time during this battle. He'll begin by rolling the boulder straight towards X. Quickly jump over him or use the poles above to dodge him. Once he comes back from off the screen, he'll fire out three small energy balls at X, one at time. Just jump over them to dodge them. He'll continuously move around the screen while pushing his boulder, eventually when he returns the boulder will grow in size. Use the poles above to avoid the boulder. Eventually the boulder will grow again to a huge size. Keep using the poles to dodge it, but remember that you can destroy the boulders with the X-Buster. The boulder will only grow to one more size, where it nearly fills the screen. Use the Yammar Option to heavily damage Ground Scaravich. When he pushes the boulder forward, jump over him and activate the dragonflies. Move in close so the dragonflies hit him. After taking damage, he'll roll away to the other side of the boulder and push it towards X. After a while the boulder may shrink down again. Keep hitting him with the Yammar Option and try to avoid the boulder as best you can.
Weakness: Yammar Option.
Weapon Received: Ground Dash.

Blaze Heatnix:
Guide: Blaze Heatnix will be using some strong attacks during this battle. Once he enters the room he'll call up lava which will fill the lower half of the screen. Quickly jump up to the platforms and stay out of the lava. He'll dive down into the lava and fly around below you. After a few seconds he'll rise up below you, get ready to move out of his way. He'll then fire out a large fireball which will break up into three smaller fireballs when they hit the lava. Try to dodge them as best you can or destroy them with the X-Buster. After firing a few off he'll lower the lava and call lava down from the ceiling. Drop down to the floor to avoid it. Blaze'll then fire out small waves of energy that fly out at you, jump over or dash under them just as they pass to avoid them. He'll also often charge across the screen to try and ram X, dash under him or jump over him as he passes. After a while he'll repeat the lava attacks. Use the Ground Dash to heavily damage him. Once you take his health down to half, he might fly out of the screen. If he does, he'll fly back across the screen three times using a huge fire wave, try to dodge him as he passes. Keep hitting him with the Ground Dash, if you run out of weapon energy just use the X-Buster.
Weakness: Ground Dash.
Weapon Received: Magma Blade.

Blizzard Wolfang:
Guide: Blizzard Wolfang will be lunging at you often during this battle. He'll appear out of the darkness and attack. He'll begin be firing out large ice blocks which will fly up and land down on top of X. Dash to the side quickly before they land to dodge them. He might also charge at you, quickly jump over him to dodge him. If he pauses and looks as if he's about to pounce, he'll jump up and try to ram into X. Dash under him as he jumps up to dodge this attack. He might also jump up to a wall and fly down straight at you. Be ready to jump over him whenever he charges. You can destroy the ice blocks he fires with the X-Buster. Use the Magma Blade to heavily damage him, and once you take his health down to half he'll begin to use stronger attacks. He'll often dash around the ground and ceiling while creating large ice spikes along the floor and ceiling. The ones on the ceiling will drop down, make sure they don't hit you. He also might create spikes up the walls, make sure you stay clear of them. Quickly blast away at the ground spikes to destroy them. He might also jump up into a corner and fire down a series of ice blocks, get ready to move quickly to dodge them. Try to dodge his attacks as best you can and keep hitting him with the Magma Blade.
Weakness: Magma Blade.
Weapon Received: Ice Burst.

Rainy Turtloid:
Guide: Rainy Turtloid is huge and will take up a fair portion of the room. He'll always have his back facing you, as it'll be his primary form of attack. He'll begin by firing out hordes of missiles at X from the two green crystals on his back. Jump up to the corner of the ceiling to dodge all the missiles, but you can also destroy them with the X-Buster or Z-Saber. After he stops firing them, he'll roll into his shell and extend spikes off his back. He'll begin rolling around and will roll across the ground to the other side of the screen. He'll then roll towards X depending on where you're standing. After passing across the screen a few times, he'll retract the spikes and stand back up. He'll then proceed to fire off a horde of missiles again. To defeat him, you'll first have to destroy the two green crystals on his back before you can damage him. Use the Z-Saber to hit both at the same time, and keep persisting until they blow. Once both are gone, rip into him with the Z-Saber, or use the Ice Burst to inflict heavier damage on him. You won't have much energy for the Ice Burst so you'll need to use the Z-Saber as well. Once he recalls the crystals you'll have to destroy them again, so go through his attack patterns again before attacking him again. Once you take his health down to half, he'll begin firing out water bubbles when he rolls across the screen. Try to dodge them as best you can. Keep firing away when his defenses are down.
Weakness: Ice Burst.
Weapon Received: Meteor Rain.

Metal Shark Player:
Guide: Metal Shark Player will be using a few charge attacks often during this battle. Once he begins, he'll dive to the floor and slide along towards you. Jump over him before he hits X. He'll be doing this quite often, he might also jump up above X and drop down on him, dash to the side to dodge him. If he dives under the junk, he'll move around the ground with his fin sticking out. Try to stay up the walls to avoid being hit. Eventually he'll jump out again. He'll also often throw an anchor out at you, quickly dodge it, but be careful as once it hits the ground it'll bounce around the room. After a few seconds it'll blow. Use the Meteor Rain to inflict heavy damage on him. Once you drain half his health, he might jump up to a corner and charge up yellow energy balls in his hands. Once he does this, an object will form together in the other corner of the screen in the shape of Mavericks that X has already fought long ago. While using X it'll take the form of Magna Centipede from X2, it'll then fire down three ninja-stars, try to dodge them before they hit you. Keep hitting him with the Meteor Rain and try your best to avoid his attacks.
Weakness: Meteor Rain.
Weapon Received: Metal Anchor.

Shield Sheldon:
Guide: Shield Sheldon will be invincible when he has both his shells attached to his body. He'll begin by moving to one corner of the room and will throw each of his shells at you, one by one. Jump up the wall and over them, you'll notice that Sheldon will be now open to attack. Once the shells return to him, he'll disappear and reappear at the top of the screen. He'll now use different forms of attacks. He might curl up into his shells and bounce around the room, you should find it easy to dodge him. He might also sometimes create a clone copy of himself. Make sure you hit the real Sheldon, the real one is the one that isn't flashing. After finishing these attacks he'll reappear in a corner and throw out his shells again. Use the Metal Anchor to damage him significantly. Once you drain half his health, he might begin to use a new attack after his shell-throwing one. He'll create four energy shields around himself, and will then try to fly into X. If you shoot the shields they'll weaken but will fire out an energy ball so be careful. Drain one of the shields to open up a clear shot to him, or use the Metal Anchor to break through. A second attack will be when he begins to emits circular waves out of his body. He'll then create four shells in each corner of the screen and will teleport to one of them. They'll fire at you if you shoot them. Sheldon will fly around between them a few times before recalling the shells. Keep hitting him with the Metal Anchor while trying to dodge his attacks.
Weakness: Metal Anchor.
Weapon Received: Guard Shell.

Infinity Mijinion:
Guide: Don't underestimate Infinity Mijinion by his size, he's got some pretty damn strong attacks. He'll morph into the room via small bubbles before attacking. He'll begin by firing out small energy bolts at you which will change direction and fly down or up at X when they reach him. Try to dodge them by jumping clear over them. He might also often disappear and reappear in the center of the screen. He'll then drop down into the floor and will fire out two energy balls along the ground. Small energy bolts will also rain down from the ceiling, try to stay in the gaps between each bolt. He might also sometimes fire out several energy balls which will fire out in all directions. Eventually, he'll begin to use his strongest attacks. He'll often create clones of himself which will float around the screen. He'll also create several large bubbles which will float toward X. Try to destroy them with the Z-Saber before they cause too much damage. Infinity Mijinion has no direct weakness, but the charged shot of the Guard Shell will help. You can also use the Guard Shell to reflect the yellow beams he fires out. If the beams fire back and hit him he'll take damage. When the four shells of the charged shot are active, try to draw him into their line of fire, every time you hit him he'll fly across to one side of the room and take damage. You can also stick with the X-Buster and Z-Saber if the Guard Shell doesn't work out too well. As you keep damaging him, he'll keep summoning more and more clones and bubbles, so you'll have a very hard time trying to dodge everything. Having full energy tanks in reserve will help, try to follow the real Mijinion and keep hitting him.
Weakness: Guard Shell.
Weapon Received: Ray Arrow.

The following three bosses can be fought in the secret boss rooms found in each stage. When you enter one of these rooms for the first time before having Gate's Secret Laboratory stages active, you'll fight the Zero Nightmare, and once defeated, you'll be able to play as Zero. If you then enter another one of the boss rooms, you'll face High Max. If you manage to defeat him, you'll be able to go straight to Gate's Secret Laboratory stages without having to fight any more bosses. If you enter a boss room again after that, you'll face Dynamo in any of the eight stages. After this you'll keep facing Dynamo in each room.

Zero Nightmare:
Guide: The Zero Nightmare will be using attacks similar to the attacks Zero used when you fought against him in X5. He'll begin by firing out two shots, followed by a slash with his Z-Saber. A small arc of energy will fly towards you when he slashes out, jump up or crouch down below it to dodge it. He'll be dashing around the room often, try to stay up the walls to dodge him. Make sure you stay well clear as he'll also often slash out his Z-Saber. If he disappears, quickly jump up a wall as he'll try to reappear on top of X. You can use charged shots from the X-Buster to damage him, but if you hit him with the Z-Saber he'll take further damage. Once you take his health down to half he'll begin to use stronger attacks. He might often fire out a horde of energy blasts at you, jump up the wall to dodge them. He'll dash around a lot, if he punches the ground large energy blasts will fly up the screen from the ground, try to stay in between each shot as they cause heavy damage. If he charges up his Z-Saber, he'll fire out a huge arc of energy similar to Maverick Zero's unavoidable attack in X5, but there'll be only one arc and it won't instantly kill you if it hits X. Keep whacking him with the Z-Saber and pick off a few charged shots whenever you can, once you defeat him, the real Zero will return and you'll be able to play as him in any stage.
Weakness: Z-Saber.

High Max:
Guide: High Max will enter the room and taunt you before the battle begins. He'll be using some very strong attacks, and you'll need to have the right weapons to defeat him. Make sure you have at least one energy tank, the Yammar Option or Magma Blade weapon, and use the Falcon Armor. He'll be floating up in the top corners of the room for most of the battle. High Max will begin by firing out four energy balls straight at X. Keep moving around to dodge them, once he finishes firing four, he'll repeat the sequence two more times. After firing off all the energy balls, he might charge up energy in his hands. If he generates two circular rings around himself, he'll fly down and fly straight across the screen, duck down or dash under him to avoid him. Once reappearing down from the top of the screen, he'll perform one of the attacks again. If he holds back his arm and charges up energy in it, stay low or dash under him as he flies out with a huge energy ball extended. Each time he drops back down into the screen he'll use one of the three attacks again. He'll also often use a fourth attack, one where he charges up a huge energy ball which will move along the ground and up the wall. Jump up the wall and jump over the energy ball to dodge it. To defeat him, you'll need to hit him with a fully charged shot of the X-Buster first. When you hit him, he'll freeze and will begin to flash. Quickly hit him with the Yammar Option or the Magma Blade before he stops flashing. If you successfully hit him, he'll drop to the ground and take damage. Once you successfully manage to take his health down to half, he'll begin to use a much stronger attack. High Max will float over to the center of the screen and will charge up a huge energy ball over himself. He'll then create four smaller energy balls, each one will fly straight at X so you'll have some trouble dodging them. He'll keep firing out the smaller energy balls, so quickly try to hit him as he floats in the air. You'll find defeating High Max will be very difficult, but if you have enough energy and energy tanks in reserve, you should be able to beat him after some practice. Once you manage to defeat High Max you'll be able to go straight on to Gate's Secret Laboratory stages.
Weakness: Magma Blade/Yammar Option.

Dynamo:
Guide: Dynamo will be using similar attacks to the ones he used in X5, but with stronger versions. He'll often fire out four swinging blades which will fly straight at X. Try to dodge them as they fly past. Once he's thrown out four, each one will fly back to him, make sure you stay out of their way. If he jumps to one side of the screen, quickly jump up the wall behind him as he'll punch the ground and cause huge energy beams to fill the screen. Blast away at him with the X-Buster of use the Z-Saber. If you have the Meteor Rain, use that to damage him further, when you hit him once he'll be temporarily stunned. If you hit him again before he recovers he'll fly across the screen and drop a Nightmare Soul. Make sure you pick it up, as you'll receive a whopping 200 Souls if you get it in time. Once his health is half gone, he'll jump into the center of the screen and will continuously fire out spinning blades at you. Keep moving to dodge them. Once he finishes, he'll jump at X and slash out with a large blade, stay above or below him to dodge the blade. Keep hitting him with either the X-Buster, Z-Saber or Meteor Rain and you should defeat him fairly easily.
Weakness: Meteor Rain.

Nightmare King:
Guide: At the end of the first Gate's Secret Laboratory stage, you'll face two huge DNA blocks with metallic eyes in the center of each. They'll take up a lot of space in the room, so you'll need to move around quickly. As this stage is incredibly difficult to get through without the Shadow Armor, this guide will assume you have the Shadow Armor equipped. The two blocks will take up positions in two corners of the large room. Once the battle begins, they'll either begin moving around in a clockwise or anti-clockwise pattern around the room. As soon as they begin to move, quickly jump up the wall and follow them around, you'll need to be very quick to avoid being hit by one. After moving around the room six or seven times, one of the blocks will move to line up with the other. Once they're both in line, each eye will move out of the center of the blocks and emerge out into the open. It'll now be open to attack. If the eyes are moving out near the ground, attack one from the ground, otherwise try to jump up a wall to attack one. Slash away with the Z-Saber, but if you're on the ground, wait until the eye is close enough, then use the Giga Attack. The two crescent-shaped beams will trash the eye, draining a lot of energy. When the eyes are fully out, they'll perform different attacks. Sometimes they'll fire out small water blasts, when they hit the walls and floor they'll crawl along the ground/walls before dissipating. Try your best to dodge it. The eyes will also often fire out a barrage of fireballs, the fireballs will shoot up into the sky then drop down, try to stay between them as they fall. The eyes will also sometimes create electric fields which will appear over the screen, try your best to avoid them. If a huge fire wave appears on the floor, stay up the walls to avoid it. Once you destroy one of the eyes, the block will remain. After taking down half of the overall boss' health, the blocks may begin to move around the screen faster. Try your best to keep up with them to avoid the blocks. Wait for the second eye to be in firing range, then continue to hack away with the Z-Saber or use the Giga Attack (if you have enough energy for it). You shouldn't find beating this boss to be too difficult after some practice.
Weakness: Giga Attack.

High Max:
Guide: Halfway through the second Gate's Laboratory stage you'll have to face High Max for the last time. He'll be using stronger attacks than in the previous battle, so you'll have to be quick to dodge him. He'll begin by creating a heavy deflector shield on both sides of his body. You won't be able to shoot through the shields, you'll just have to wait until they come down. He'll move up into the corner of the screen and then lower down to the ground. Quickly jump up the wall and get ready to mid-air dash over him as he flies over across the screen. He'll come back down again and often repeat the screen-dash. If he flies back down and stops at the top corner of the screen, he'll begin to charge up energy in his hands. If you hear him say something, he'll release a huge purple energy ball which will move across the ground and up the opposite wall. Jump over it as it passes along the floor. Once the ball disappears up the wall, he'll either lower down and continue his screen-dashing move, or he'll charge up more energy in his hands. If he charges up energy without saying anything, stay on the ground as he'll release the shields and they'll fly across the screen. Now is the time to attack. With his shields gone, charge up the X-Buster and fire off a shot at him. He'll freeze and begin to flash. Keep the Yammar Option or the Magma Blade out, and quickly hit him with either weapon before he stops flashing. Stay clear, as once you hit him he'll drop to the floor and take damage. After recovering himself, High Max will call back the shields and continue his screen-dash move. Wait until he releases the shields again before attacking. You can also destroy the shields with sustain fire from the X-Buster, but if you do be quick to attack him as he'll restore it quickly. Once you drain half of his health, he might sometimes combine the two shields together, they'll then begin to fly around the room while firing small energy balls at X. Try your best to dodge them. This battle will take a long time to finish, but if you're fast and know his attack patterns, you should be able to survive without taking too much damage. Once you finally defeat High Max you'll reappear in the second half of the stage, continue on to the end of it for the final showdown against Gate.
Weakness: Magma Blade/Yammar Option.

Gate:
Guide: Gate will confront you at the end of the second Gate's Laboratory stage, and will be using a highly dangerous new battle body. The room will be full of small platforms for you to stand on, just make sure you don't fall into the hole below. Gate will be flying around during the entire battle, so he won't have to worry about needed something to stand on. He'll use one main attack with a few variations. Once the battle begins he might fly straight at you. He'll be charging at you quite often, so be ready to move when he does. When he flies at you, jump up and mid-air dash over to the platform up against the opposite wall. To make it easier, keep flying back and forth across the two platforms near the walls to dodge his charge attacks. His main form of attack will be that of firing out large energy balls at you. Move quickly as the balls will land just where you're standing, then they'll perform an attack depending on the ball's color. If the color is blue, it'll begin to suck you into it with a black-hole like effect. Try to stay well away from it so Gate doesn't trap you while causing damage. If the ball is red, your character will go into slow motion while Gate remains at normal speed, try your best to avoid being hit. If the ball is purple, it'll begin to flash and then will send out several Nightmares, try to destroy them quickly before they begin to annoy you. If the ball is green, it'll follow you around the room and try to ram X, so keep moving to avoid it. Finally, if the ball is orange it'll fire out a small energy ball at you, it should be fairly easy to avoid. Gate will continue to use his charge and energy ball attacks. You'll find that absolutely no weapon in your arsenal will even slightly damage Gate, so you'll need to use his own weapons against him. When he fires out an energy ball, move away and start firing at it with the X-Buster, or slash away with the Z-Saber. Once you destroy the ball, six smaller energy balls will fly out, three each to the left and right, try to avoid being hit by them, but if you take damage don't worry as it'll only take a tiny bit of health off. If one of the flying energy balls hits Gate it'll damage him. This is the only way you can inflict damage on Gate. Keep using this technique, then once you take down half his health, he'll begin to use stronger attacks. He'll often charge at you and then release a large purple vertical beam of energy directly in front of him, stay well clear to avoid it. He might also fire out more than one energy ball at a time. Energy tanks and the Life Recover part will greatly help you out here, but keep avoiding his attacks while destroying the energy balls to damage him, and you'll eventually defeat Gate. Once he's beaten he'll reveal a dark secret...
Weakness: Energy Balls.

Sigma:
Guide: Sigma will enter the room in his badly beat-up body before crashing to the floor. He'll slowly rise, and will taunt X before the battle begins. He'll be very slowly moving towards X, make sure he doesn't corner you up against the walls. He'll use several different types of energy-based attacks. If he looks as if he's about to fire something from his head, he'll fire out a fast moving energy ball straight at X. Try to dodge it as best you can, but it's speed will make it tough to dodge. He might also often fire up a huge green energy beam. It'll hold still for a while before slowly moving towards X. You'll find it difficult to dodge so just try to dash over the top of it by jumping up a wall. He might fire off the small energy balls while the green beam is active so you might take some damage before it leaves. Use the Metal Anchor to cause serious damage to Sigma. Once hit by an anchor, he'll fly over to one corner of the screen and fall over. He'll fire out three small purple balls onto the ground as he hits the wall, try to stay back from them. He'll also release several large energy sparks, they'll all fly straight at X, quickly jump up the wall and dash over them as they pass. Once you take his health down to half, he'll use stronger attacks. He'll begin to charge up small green energy balls, they'll then form into a large purple energy wave that will fly across the screen. Sigma will continue to create the energy waves, try your best to dodge them. You can also use the Metal Anchor to destroy the sparks he fires out after falling over, and if you hit the large vertical energy wave he fires with the Metal Anchor, it'll move back towards him, enabling you to dodge the beam. Try not to waste more than one energy tank during this battle, and also have the Life Recover part equipped, it'll help out greatly. Once you manage to destroy Sigma he'll transfer to his final battle body.
Weakness: Metal Anchor.

Sigma's Final Form:
Guide: Sigma's final form will be a massive skeletal shaped mechaniloids, and will be taking up almost the entire space of the room. The head part of the body will be the primary unit that will attack you, and will also be the source of the body's weak point. You won't have much room to move around in so you'll have to be quick. The head will begin by firing out large green objects from it's forehead. When the objects land on the ground or the side of the screen they'll form into smaller green heads. They'll move around a lot and will try to ram X, you'll need to blast them with the X-Buster or Z-Saber before they crowd in too much. The higher-up ones will also fire down small energy bolts. One of the objects will become a moving platform with a spike attached to the bottom of it, try to avoid touching it. If Sigma's head opens up, stay below it as it'll fire out a massive green energy beam to the left that will shred all of the green objects in the way. If the head opens and a green energy pad appears on the floor, quickly dash away from it as a huge energy beam will shoot up out of it. He'll fire off two or more of the huge beams, try to stay out of their firing range. After firing off the beam he'll fire out the green objects again. Keep in mind that some of the green heads will drop energy or weapon capsules, make sure you pick them up if you need energy. None of your weapons can damage any part of the body, except for the inside of the head's mouth. You'll need to wait for the head to open up, then hit the inside of it with the Ground Dash to cause heavy damage. You can also use the X-Buster or Z-Saber to cause damage. If you've got the Shadow Armor equipped, use a charged saber shot to cause massive damage when the mouth opens up, if you hit the inside successfully you'll cause multiple damage hits. Once you take his health down to half, he'll begin to use a much more powerful attack. If his head opens he'll fire out a small energy ball either towards the top of the screen of down towards the floor. Once it hits the roof or floor it'll fire out two gigantic energy balls to the left and right, they'll be very difficult to dodge. If he fires them up towards the ceiling, stay low, but if he fires them down to the floor jump up on top of the moving platform (if it's there). If you have the Ultimate Armor, use the Nova Strike when the huge energy balls fly past to avoid them. Each time he fires out the small energy ball, try to hit him quickly before his mouth closes. Whenever he opens his mouth, stand back a bit so that when you jump up and hit him, you won't accidentally ram into the head. Keep firing away at the green heads, as the energy/weapon capsules they drop are very handy. Make sure you have both energy tanks full and have the Life Recover part equipped before taking Sigma on, and don't hesitate to use them. Try to avoid the annoying platform as it moves around the screen, keep firing at it to eventually destroy it. Keep avoiding Sigma's attacks, and keep attacking the head when it opens. Persist and you'll eventually win against Sigma. It'll be a very challenging battle, but with skill and practice, you'll make it through.
Weakness: Ground Dash. 

CONGRATULATIONS!!!
You finished Mega Man X6 with X.

Commander Yammark:
Guide: Commander Yammark will be using similar attacks to when fighting him with X, but he'll have some variations. He'll often send out the dragonflies to fly straight at Zero, make sure you get well out of their way before they hit you. If you have the Rekkoha, use it as many times as possible to cause huge damage to Yammark, otherwise just slash away with the Z-Saber. Once you take his health down to half, get ready to move around quickly once he begins to fly around the room. Keep hacking away at him, use Z-Buster shots every now and then, and you shouldn't have too much trouble beating him.
Weakness: Rekkoha.
Technique Learned: Yammark Option.

Ground Scaravich:
Guide: Ground Scaravich's boulders will be deadly against Zero. He'll use the same attacks as when fighting X, but Zero won't be able to take as many hits as X could. Once Ground Scaravich begins to roll the boulder around, hack away at him from behind to cause heavy damage. You can also use the Yammar Option to damage him further. As you damage him, he'll begin to create larger boulders. Make sure you don't get hit by them at all. Blast away at them with the Z-Buster or hack away with the Z-Saber to destroy the boulders. If you can't, use the poles up above to avoid the boulder. Be very careful is he kicks the boulder after rolling it into the center of the screen. It'll bounce forward, quickly dash under it as it moves overhead. After the boulder disappears he'll call down another boulder from above and kick it towards Zero. Dash under the boulders as they bounce over. Keep persisting against Scaravich and you'll eventually destroy him.
Weakness: Yammar Option.
Technique Learned: Sentsuizan.

Blaze Heatnix:
Guide: Blaze Heatnix will be difficult to defeat with Zero. His weakness is the Sentsuizan, but it'll be very difficult to hit him with it without accidentally falling into the lava below. Instead just use the Z-Saber or Z-Buster. You can also destroy the fireballs he shoots out with the Z-Saber, so whenever he's up out of the lava, hack away. He'll be using the same attacks that he does against X, so remember his attack patterns. If he causes the lava to appear at the top of the screen, drop down and hack away with the triple-swing to cause heavier damage. Just be very careful if he flies off screen, get ready to dodge his massive Nova Strike-like attack. It'll be a fairly long and tough battle, but with practice and skill you shouldn't have too much trouble beating him.
Weakness: Sentsuizan.
Technique Learned: Shoenzan.

Blizzard Wolfang:
Guide: Blizzard Wolfang will use a new attack during this battle, as well as all the others he had when using X to fight him. Once the battle begins, get ready to jump over him if he charges, or dash under him if he jumps. Instead of launching the ice blocks into the sky, he'll fire them straight at Zero, make sure you get out of their way as they pass. Use the Shoenzan attack to cause heavy damage to Wolfang. It'll be difficult to hit him without accidentally sliding into him, so when he fires an ice block, jump over the block and land right next to him. Perform the attack and you should avoid being hit. Another good tactic is to stand still and whack him with it when he charges at you or jumps over. When he begins to use the ice spike-attacks, stay in a corner and hack away at the spikes with the Z-Saber or the Z-Buster. Whack him again when he lands nearby. Keep pelting Wolfang with the Shoenzan and you shouldn't have too much difficulty here.
Weakness: Shoenzan.
Technique Learned: Hyoroga.

Rainy Turtloid:
Guide: Rainy Turtloid will be difficult to beat with Zero. He'll use the same attacks as when fighting X, but you'll need to use the Z-Saber to attack him with. His weakness is the Hyoroga, but you won't be able to reach the ceiling to perform the upside-down attack. Instead, hack away with the Z-Saber on the two green crystals, once they blow hack into Rainy's back. Stand on the ground and keep hacking away when he sends out the missiles, you should be able to destroy them all before any get through. Keep hacking away a few more seconds, then quickly move away when Rainy curls up and creates the spikes on his back. Make sure you don't get hit when he rolls around as he'll cause major damage to Zero if he hits him. Keep dodging Rainy's attacks and you shouldn't find beating him to be too difficult.
Weakness: Hyoroga.
Technique Learned: Ensuizan.

Metal Shark Player:
Guide: Metal Shark Player will be using the same attacks as he did when battling X, except he'll summon a new Maverick. Try your best to dodge him as he moves around the screen, he'll cause heavy damage if he strikes Zero. Dodge the anchor he fires out, and jump up the wall when he dives under the junk. Use the Ensuizan to heavily damage him. When you hit him he'll be stunned and will take heavy damage. Once his health goes down to half, he'll begin to use his Maverick-summoning move. Instead of creating a form of Magna Centipede, he'll create a form of Sting Chameleon from the first X game. Sting will then fire out his very long tongue to try and hit Zero. Jump up the walls to dodge him. He'll disappear, then reappear somewhere else before firing out his tongue again. Strike Metal Shark to stop the attack. You shouldn't have too much difficulty beating him.
Weakness: Ensuizan.
Technique Learned: Rakukojin.

Shield Sheldon:
Guide: Shield Sheldon will be tough to beat with Zero. Try to dodge his shells as best you can, as they cause heavy damage to Zero. You'll need to wait again until he fires off both shells before you can hit him. When he throws the two shells out, jump up the wall and over them. Quickly rush over to Sheldon and perform the Rakukojin attack to cause heavy damage. If Sheldon creates the clone of himself, hack away at the real one with the Z-Saber. If he creates the four energy shields, try your best to avoid touching them, they cause severe damage. Whack Sheldon with the Z-Saber through the shield, but if you get hit, quickly use the Rakukojin before Zero stops flashing. Persist with your attacks and you should be able to defeat him before he causes too much damage.
Weakness: Rakukojin.
Technique Learned: Guard Shell.

Infinity Mijinion:
Guide: Infinity Mijinion will be as tough as ever. You'll be able to use the Guard Shell to reflect the small yellow beams he fires out back at him, and the Z-Saber will do fine to cause significant damage. He'll be using his intense clone and bubble attacks, but if you use the Ensuizan, you can very easily destroy the clones and bubbles without taking any damage. If you hit Infinity with the Z-Saber, he'll fly back and take heavier damage. After hitting the wall he'll create more bubbles and clones, get ready to destroy them. Zero will take heavier damage whenever something hits him, so it'll be a good idea to have an energy tank or two in reserve. You can also try using the Ensuizan if you can corner him, you'll keep causing him damage while destroying the clones/bubbles. As with X, it'll be difficult to defeat Infinity, but keep persisting and you'll win through.
Weakness: Guard Shell.
Technique Learned: Rekkoha.

The following two bosses can be fought in the secret boss rooms found in each stage. When you enter one of these rooms for the first time with Zero before having Gate's Secret Laboratory stages active, you'll face High Max. If you manage to defeat him, you'll be able to go straight to Gate's Secret Laboratory stages without having to fight any more bosses. If you enter a boss room again after that, you'll face Dynamo in any of the eight stages. After this you'll keep facing Dynamo in each room. You won't be able to face the Zero Nightmare with Zero for obvious reasons.

High Max:
Guide: High Max will be very difficult to beat with Zero, as his attacks will cause major damage to Zero. Make sure you have the Ensuizan technique, it'll make hitting High Max much easier. You can use the Shoenzan to freeze High Max, but if you rapidly hit him with the Ensuizan, he'll freeze and drop down while taking damage. Just make sure you stay well away from him so that you avoid accidentally hitting him as he drops. Use the same techniques as with X to dodge his relentless attacks, but once you manage to take down half his health he'll begin to use the stronger energy ball attack. If you have energy tanks, don't hesitate to use them as you'll find it very difficult to dodge his energy balls. Keep trying to hit him with the Ensuizan, after some practice and determination you should be able to beat him.
Weakness: Shoenzan/Ensuizan.

Dynamo:
Guide: Dynamo will be very easy to defeat with Zero if you have the Ensuizan technique available. Once the battle begins, use the same techniques as with X to avoid Dynamo's attacks, then hack away at Dynamo when he's not throwing around the spinning blades. If you have the Ensuizan, whack him once to stun him, then hit him again to cause severe damage. He'll fly across the room and drop a Nightmare Soul. Pick it up and continue attacking him. Keep in mind that if he fires out any spinning blades, hit them with the Ensuizan to deflect them. Whack him further with the Ensuizan, or just use the Z-Saber to beat him. You won't find defeating Dynamo to be too difficult.
Weakness: Ensuizan.

Nightmare King:
Guide: This boss will be very tough to beat using Zero, so you might want to stick with X if you don't want to have much trouble. It's attacks will cause major damage to Zero, and you'll only be able to damage the eyes with the Rakukojin or the Z-Saber, so you'll have difficulty fighting it. Whenever the eyes move out on the floor, use the Rakukojin near one to seriously damage it, or slash away with the Z-Saber. Try not to get hit as Zero takes ages to recover from a hit than the time it takes X to recover. If you have too much trouble fighting this boss with Zero, just use X instead, you'll find it much easier then.
Weakness: Rakukojin.

High Max
Guide: High Max will not be too difficult to beat with Zero (if you can get to him, that is). Once again, you'll have a much easier (and far less frustrating) time getting through this stage with X. High Max will be using the same attacks as when battling X, but they'll cause Zero much more damage, so you'll have to be careful. Whenever he isn't charging up an attack, quickly whack him with the Ensuizan, but stand back before he falls down. You'll also find that Zero can hit High Max even when he has his shields up, so the battle shouldn't last too long. Make sure you dodge his attacks, and you shouldn't have too much trouble beating High Max. Once you defeat him you'll proceed on to the final part of the stage.
Weakness: Shoenzan/Ensuizan.

Gate:
Guide: Gate, as with High Max, will not be too difficult to beat with Zero. You'll have to dodge the energy balls he fires as they'll cause more damage to Zero than they did with X, but if you're quick enough you should avoid being hit. Use the same tactics as with X to dash over him whenever Gate charges, and when he fires out an energy ball, jump up above the ball when it stops and hack away at it with the Ensuizan. If you manage to destroy it while floating above it, you'll avoid taking damage from the smaller energy balls that fly out, otherwise you'll need to jump up quickly to avoid being hit. The smaller balls will fly out and hit Gate, causing damage. Once you take his health down to half, he'll begin to use the stronger energy beam attack. You shouldn't have too much trouble avoiding the beam. Keep using the Ensuizan and you should eventually beat Gate without much trouble.
Weakness: Energy Balls.

Sigma:
Guide: Sigma's first form will be tough to beat with Zero, as his attacks can cause heavy damage. You'll need to try and avoid taking too much damage to save energy for the second part of the battle. Make sure you have both energy tanks full, and have the Life Recover part equipped, they can greatly help you out. Try to keep both tanks for the second part of the battle against Sigma. When he begins to slowly move towards Zero, quickly jump forward right next to him and use the Rakukojin attack. If you miss hitting him with the huge blade, the metal anchor that flies out when you hit the ground should get him. Once Sigma's hit, he'll fly over to the corner and spew out the three purple balls as well as the electric sparks. Quickly jump over to the other wall and up over the sparks as they fly towards you. You can also try to use the Ensuizan against Sigma, it'll be very effective as he doesn't move too much, you'll also be able to use the Ensuizan to repel the large vertical green beam Sigma fires out. Keep ripping into Sigma with both the Rakukojin and the Ensuizan, and you should be able to beat him, just try not to take too much damage and don't use any energy tanks or the Life Recover part yet. If you want to make the battle much, much easier to finish, just use the Z-Buster on Sigma. Each hit will cause heavy damage to him, and you should be able to defeat him taking little to no damage at all using this trick. Once you defeat Sigma the hardest part of the battle will rise.
Weakness: Rakukojin.

Sigma's Final Form:
Guide: Sigma's final form, like the one in X5, will be incredibly tough to beat with Zero. He'll be using the same attacks as when battling X, but they'll cause much more damage to Zero, so you'll have to try your best to avoid being hit by the green heads, as well as the massive energy beam attacks the head performs. When the battle begins, stay under Sigma's head to avoid all the green heads the forehead fires out. When the heads appear, hack away at them with the Ensuizan, you should be able to destroy them easily with this move, just get ready to get out of the way if one of the heads fires at Zero. Remember to pick up the energy capsules some of the heads drop, they'll really help you out in this battle. You'll be able to destroy the moving platform with repeated hits from the Ensuizan, so try to make sure the platform doesn't get in your way. When Sigma fires out the huge beam out of his mouth, stay below the head and wait for the beam to disappear. If he fires out the beams from the floor, keep out of their way as they appear. Try your very best not to get hit by any of the beams, they cause serious damage to Zero. Most of your special techniques will not be able to damage Sigma's mouth, but the Ensuizan will damage it. Whenever the mouth opens up, try to damage it as much as possible before it closes. You'll only cause a little damage to Sigma whenever you hit his mouth with the Ensuizan, so you'll need to be able to hold out a while during this battle. Use the energy tanks or the Life Recover part when you need to, and remember to destroy the green heads often to pick up life energy refills. Once you take his health down to half he'll start to use the massive energy ball attack. If the small ball flies to the top of the screen, crouch down as the two huge balls fly past, otherwise try to double-jump up as they fly past, or use the Hyoroga to jump up the ceiling as he fires off the energy balls. The huge energy balls will be your biggest threat, he'll fire out several before firing out the green heads again, so try to hold out as best you can and grab some life energy refills from the green heads when Sigma begins firing them out again. This battle will greatly test your skills in using Zero, Sigma will be very tough indeed to beat, but with practice and skill, you should eventually win through.
Weakness: Ensuizan.

 CONGRATULATIONS!!!
You finished Mega Man X6 with Zero.

X Regular Armor:
X's basic armor. No special powers. Much weaker than all of X's other armors.

Falcon Armor:
A repair of the armor from X5. Gives you the power to hover air-dash, laser shot, and Giga Attack. Special Weapons are usable.

Blade Armor:
Very well-balanced. Pressing the jump or dash button in the air lets X hover for a moment, and then dash in one of four directions (up, down, or to either side). The longer X hovers, the more powerful the dash; X is temporarily invincible while dashing. The powered shot is less powerful than that of the Falcon, but covers more area. As an alternate, the powered shot can be used as a powerful Z-Saber swipe. Special Weapons are usable. Nova Strike is usable.
 

Shadow Armor:
It's basically the opposite of Blade, in that it is not balanced but specialized for particular situations. It has no air-dash. Clinging to the wall lets you stick there instead of sliding off. X can walk on spikes without damage coming to him, and his powered shot is a swipe of the Z-Saber. Normal shot is three differently directioned throwing stars. X can also cling to the ceiling and throw stars from there, and dash on the ceiling once before falling. Special Weapons not available. Giga Attack available.
 

Ultimate Armor:
This is a hidden armor only available through a code. It includes the same abilities as the Ultimate Armor from X5, in that it's exactly like the Fourth Armor, only allowable to do the Giga Attack infinite times. Special Weapons available.

Parts:
The Power-up Part system in X6 is much different to the one in X5, and is substantially less complicated. Four types of parts will be available, normal parts which both X and Zero can equip, specific parts that X or Zero can only equip, and special limited parts that can be used once only in a stage. You can also find the life energy and weapon energy parts that enhance your current character's life or energy bars. The only way to gain the special parts in the game is to rescue the Reploids that carry these parts. 128 Reploids are hidden through the eight stages, with each stage having 16 to find. Certain Reploids will be carrying the power-up parts, once you rescue the Reploids you'll have gained the part straight away - you won't have to wait for it to be built. You must make sure that no Nightmares take over the Reploids, as if one is taken over that's carrying a part, you won't be able to get that specific part. It is possible, however, to gain all of the parts, just make sure that you rescue most if not all of the Reploids to ensure that you'll get all the parts. X and Zero can both equip a maximum of five parts, one limited part and four of any other kind, but you'll need to raise your Hunter Rank before being able to equip parts.

Here are all the parts with their location and their information:
Life and Energy Parts:

Life Up:

Energy Up:
Found In: All Stages.
This will increase your maximum special weapon energy by a small amount.
 

Normal Parts:

Speedster:
Found In: Central Museum.
This will allow your character to move faster and jump further than normal.

Jumper:
Found In: Northpole Area.
This will increase your character's jumping height and distance.

Hyper Dash:
Found In: Inami Temple.
This will increase your character's dash speed and dash-jump.

Energy Saver:
Found In: Laser Institute.
Your special weapons will use half their normal energy when used.

Super Recover:
Found In: Amazon Area.
Health and weapon refill capsules will restore double their normal level.

Buster Plus:
Found In: Magma Area.
The X-Buster/Z-Buster's damage inflicted on enemies increases by one.

Speed Shot:
Found In: Weapon Center.
This will increase the speed of shots fired from the X-Buster/Z-Buster.

Shock Buffer:
Found In: Recycle Lab.
This will decrease damage taken by half and reduce the stun period after taking damage.

D-Barrier:
Found In: Laser Institute.
The temporary invincibility time after your player takes damage will be doubled.

D-Converter:
Found In: Weapon Center.
Damage taken will restore weapon energy for the Giga Attack as well as special weapons.
 

X's Parts:

Rapid 5:
Found In: Amazon Area.
This will increase the maximum number of buster shots on-screen from 3 to 5.

Ultimate Buster:
Found In: Magma Area.
All shots fired will be charged shots, including special weapons.

Weapon Plus:
Found In: Magma Area.
This will increase the damage caused to enemies by special weapons.

Quick Charge:
Found In: Central Museum.
Charging time for the X-Buster takes half as long as it normally does.
 

Zero's Parts:

Saber Plus:
Found In: Inami Temple.
Damage inflicted on enemies by the Z-Saber will be increased.

Saber Extend:
Found In: Recycle Lab.
The Z-Saber reaches out a little further than normal, giving it a longer range.

Shot Eraser:
Found In: Northpole Area.
Most energy projectiles fired by enemies can be blocked with the Z-Saber.

Master Saber:
Found In: Weapon Center.
Special Z-Saber techniques will cause more damage than normal.
 

Limited Parts:

Life Recover:
Found In: Amazon Area.
Your character's life energy will be completely refilled once.

Hyper Drive:
Found In: Recycle Lab.
This part will greatly enhance your character's defense power temporarily.

Weapon Recover:
Found In: Inami Temple.
Your character's special weapon energy for all the weapons will fully recharge.

Power Drive:
Found In: Magma Area.
This will increase the damage inflicted on enemies by special weapons temporarily.

Weapon Drive:
Found In: Northpole Area.
Special weapons will not consume any energy for a limited time.

Over Drive:
Found In: Central Museum.
This will increase the X-Buster/Z-Buster's damage inflicted on enemies temporarily.

X-Buster/Z-Saber:
You'll have the classic X-Buster weapon for every one of X's armor suits. Each suit has the primary fire, a short burst of laser blasts, as well as a special charged shot. Most of the suits can fire off the charged shot to inflict much heavier damage to enemy targets. X will also be equipped with Zero's signature weapon, the Z-Saber. X can use the saber to deliver a deadly swing of energy, causing significant amount of damage to enemies. The two special armor suits, Blade and Shadow, can utilize a special charged saber shot, causing much more damage than a normal swing.
 

Yammar Option:
The Yammar Option is gained once you defeat Commander Yammark. This creates three dragonfly-type missiles which hover around X wherever he goes. If any enemies strike the dragonflies, the dragonfly will explode and cause heavy damage to the enemy. You can also cause the dragonflies to fire energy blasts by pressing fire when they are active. The charged shot will cause the three dragonflies to fire out larger blasts in random directions.

 

Ground Dash:
The Ground Dash is gained once Ground Scaravich is defeated. This weapon fires a large block compound of metal and dirt which flies out a short distance from X. Any enemy in striking range will take heavy damage. This weapon can also be used to destroy the brown blocks that appear in various stages, and can also be used to move the other colored blocks. The secondary fire creates a huge boulder, once activated it will shoot out away from X and devastate any targets in firing range.
 

Magma Blade:
The Magma Blade is gained once you defeat Blaze Heatnix. This weapon utilizes the Z-Saber, causing X to swing out a blade of fire which creates a large fireball-type projectile. The fireball will fly out straight ahead and burn any targets it strikes. The secondary fire will cause X to summon several huge fireballs which fly across the screen in random directions. Anything caught in the blaze is either instantly destroyed or heavily damaged.

 

Ice Burst:
The Ice Burst is gained once Blizzard Wolfang is defeated. This weapon fires out a small ice block which will fly out a short distance from X before landing on the ground. If the block strikes any target before landing it'll explode and cause heavy damage to the enemy. If it does land successfully, X can jump on top of the block, acting as a stepping stone allowing him to jump higher. The secondary fire will cause X to flash for several seconds. While flashing, dash around to create two large ice-spikes, each one will fly up and down the screen from where X fires them off. Any targets within range will be heavily damaged or destroyed.

Meteor Rain:
The Meteor Rain weapon is gained once you defeat Rainy Turtloid. This weapon fires out a small water-bubble which flies directly up from X. Once it hits a ceiling or object, it'll bounce off and fly back down towards the ground before dissipating. Any enemy target caught in the bubble's flight path will take heavy damage. The secondary fire will fire a single bubble up out of the screen. Several bubbles will then fly down from the left on a diagonal path in random positions. Anything caught in the hail will take heavy damage.
 

Metal Anchor:
The Metal Anchor weapon is gained once Metal Shark Player is defeated. This weapon fires out an anchor shaped projectile which will bounce out forward along the ground until it strikes something. If it hits a wall, it'll bounce back in the opposite direction, otherwise after several seconds it'll explode. On contact with an enemy, the anchor will explode, causing heavy damage. You can also use this weapon to destroy the silver blocks appearing in certain stages. The secondary fire is very effective, as it'll summon several projectiles shaped like Storm Eagle from the first Mega Man X game. Each one will fly down the screen diagonally and devastate any target caught in their path.

Guard Shell:
The Guard Shell weapon is gained once you defeat Shield Sheldon. This weapon creates a small energy barrier in front of X, which can be used to deflect energy weapons fired by enemies. Solid objects cannot be blocked by the shield. You can also direct the position of the shield by pressing up, down, left or right when activating the shield. The secondary fire will create four large clam-shell objects which will position themselves in each corner of the screen. Once in position, press fire again to cause each one of the shells to fire off a small energy ball. Each blast will fire down in a diagonal direction. Anything caught in the fire range will be destroyed or heavily damaged.

Ray Arrow:
The Ray Arrow is gained once Infinity Mijinion is defeated. This fires out a large energy blast which will fire out straight ahead from X. If the blast hits an object, it'll change direction and fly straight up. Any enemy caught in the blast will take heavy damage. The secondary fire will create several huge energy blasts which will fly straight up the screen, devastating any enemy targets on-screen.

Z-Saber/Z-Buster:
Once you regain Zero as a playable character, he'll be using a new Z-Saber as well as his trusty Z-Buster. The Z-Saber is used in a similar way to the one Zero had in X4 & X5, but the style of attack is new. The triple-slash attack can be performed, but Zero will slash out in a slower rate, but each swing will cause heavy damage to an enemy target, most targets won't survive three hits. The Z-Buster can fire off a single energy shot, but cannot be charged up. When used in conjunction with the Z-Saber, the Z-Buster can be quite effective.

Yammar Option:
While standing still, press up and attack (Z-Buster) to activate the dragonflies. Press fire again to discharge the dragonflies.
The Yammar Option is gained once Commander Yammark is defeated. This technique allows Zero to create three dragonflies which will hover around him. Any enemy targets striking the dragonflies will be heavily damaged. You can also fire energy balls from the dragonflies by pressing fire once they're active.

Sentsuizan:
After jumping up, press up and fire (Z-Buster) to perform this attack.
The Sentsuizan is gained once you defeat Ground Scaravich. This technique will allow Zero to perform a slanting dash attack from the air. Once executed, Zero will fly down on an angle with his Z-Saber extended. Any enemy targets in range will be heavily damaged.

Shoenzan:
While standing still, press up and then the fire button (Z-Saber) to perform this attack.
The Shoenzan is gained once Blaze Heatnix is defeated. This technique allows Zero perform a heavy fire attack from the ground. Once activated, Zero will slash up with his Z-Saber while creating a large fire wall in front of him. Anything caught within the fire wave will be heavily damaged or destroyed.

Hyoroga:
While on the ground, jump while holding up to grab hold of the ceiling.
The Hyoroga is gained once you defeat Blizzard Wolfang. This technique allows Zero to jump up to the ceiling and hold on while dangling upside-down. While in this position, press fire again to allow Zero to fire down three large ice-spikes. Any enemies caught in the spikes' range will be heavily damaged. Zero can also dash to the left or right while hanging upside-down.

Ensuizan:
Press and hold down while standing still or jumping and press fire (Z-Buster).
The Ensuizan is gained once you defeat Rainy Turtloid. This weapon causes Zero to spin around while slashing with his Z-Saber. This attack is very effective and most enemies caught in the saber's range are heavily damaged or destroyed. This attack can be performed on the ground or in the air.

Rakukojin:
Jump up, then press down and fire (Z-Saber) to perform this attack.
The Rakukojin is gained once Metal Shark Player is defeated. This technique causes Zero to perform a massive sword attack from the air. Once executed, Zero stabs down with a huge metal saber that is deadly to any enemies caught in range. Once Zero lands he'll fire out a metal anchor projectile similar to X's version of this weapon.

Guard Shell:
Select this from the weapon select screen to activate the shield.
The Guard Shell is gained once Shield Sheldon is defeated. This device allows Zero to create an energy shield in front of him to block any energy-type projectiles from enemies. Solid objects cannot be blocked, but when used in conjunction with the Ensuizan attack, the shield is quite effective.

Rekkoha:
Press the Giga Attack button to perform this attack.
The Rekkoha is gained once you defeat Infinity Mijinion. This weapon causes Zero to perform a massive energy attack, where once performed several huge energy beams will fly down from the top of the screen. Any enemies on-screen will be completely destroyed.

X's Ultimate Armor:
While at the Start screen, press left three times and right once, then press Start. X will start with his Ultimate Armor. This code cannot be used in addition to the Zero's Black Armor code.