Mega Man X8 Cheats

Easy Enemies:
Go on Optic Sunflowers stage and you'll be in a training area, where you will have to take several tests and will be graded on how fast you can defeat each enemy (low, medium, high). If you want to get out of there with the least amount of damage, if any at all, don\'t touch the enemy and just watch your clock. When it turns yellow, take out the enemy. If you keep this up, you'll get nothing but easy enemies!
User Cheat by maverick_hunter_hq

Buster capsule to X's Neutral Armor:
After you complete the Noah's Park stage, return there. The door is now open at the place where you jumped up to continue.
User Cheat by KidSpidey

Fight against Cut Man:
Press Left, Circle, Up, Triangle, Down, X, Right, Square, L1, R1, L2, R2 when "Press Start" appears at the title screen. Begin your new game under normal or hard difficulty. Cut Man will be your opponent at the end of Optic Sunflower's stage.

Sigma Blade:
Press L3(2), R3, L3(2), R3, L3(2), R3, L3(2), R3 when "Press Start" appears at the title screen. Begin your new game under normal or hard difficulty. The Sigma Blade can now be purchased at the development shop.

Unlock Alia:
Press Down, R1, Up, L1, Square, X, Triangle, Circle when "Press Start" appears at the title screen. Begin your new game under normal or hard difficulty. Alia can now be purchased at the development shop.

Unlock Black Zero:
Press L1(2), R1(2), L1(4) when "Press Start" appears at the title screen. Begin your new game under the normal or hard difficulty setting. Black Zero can now be purchased at the development shop.

Unlock Layer:
Press Square(2), Right, X, R1 when "Press Start" appears at the title screen. Begin your new game under the normal or hard difficulty setting. Layer can now be purchased at the development shop.

Unlock Palette:
Press R1, X, Left, Square(2) when "Press Start" appears at the title screen. Begin your new game under the normal or hard difficulty setting. Palette can now be purchased at the development shop.

Unlock Ultimate Armor X:
Press Left(3), Right(3), Left(4), Right(4) when "Press Start" appears at the title screen. Begin your new game under the normal or hard difficulty setting. Ultimate Armor X can now be purchased at the development shop.

Unlock White Axl:
Press L2(3), R2(3), L2(3), R2 when "Press Start" appears at the title screen. Begin your new game under the normal or hard difficulty setting. White Axl can now be purchased at the development shop.

Bonus characters:
Finish the game and load your cleared saved file. The navigator used most to complete the levels will be unlocked (Alia, Layer, or Palette). Alia is similar to X with an X-buster, but cannot use armor pieces. Layer is similar to Zero with a Z-saber. Palette is similar to Axl, but has no DNA-copy abilities.

Alternate ending sequence:
The character that kills Lumine (Axl, X, or Zero) will determine which ending sequence appears.

Axl's White Armor:
Finish the game with all of Axl's metals and use Axl to defeat the final Boss with a double attack.

X's Ultimate Armor:
Finish the game with all of X's metals and all eight armor pieces.

Zero's Black Armor:
Finish the game with all of Zero's metals.

Zero's Sigma-Blade:
Finish the game and load your cleared saved file. You can buy Zero's Sigma-Blade at the R&D Lab.

How to beat Bosses:
Just have both character's life at full and perhaps a Life Tank. You can kill every Boss with only the Buster and Saber.

Recommended Boss order:
The following is the recommended order of Boss to take on based on weapon weaknesses. REMEMBER: Vile is weak against Yeti's ice weapon.

Bamboo Pandemonium
Earthrock Trilobite
Gigavolt Man O War
Avalanche Yeti
Burn Rooster
Optic Sunflower
Dark Mantis
Gravity Antonion

Use the following Boss order, with the corresponding weapon weakness.

Optic Sunflower (Green Spinner)
Dark Mantis (Shining Ray)
Avalanche Yeti (Shadow Runner)
Burn Rooster (Drift Diamond)
Gravity Antonion (Melt Creeper)
Earthrock Trilobyte (Squeeze Ball)
Gigabolt Man-O-War (Crystal Wall)
Bamboo Pandamonium (Thunder Dancer)
Vile (Drift Diamond)
Copy Sigma (Shadow Runner)
Sigma (X-Buster)
Lumine (X-Buster)
Lumine, Angel form (X-Buster)

Use the following Boss order. Each Boss' weakness is the weapon acquired from the Boss listed above it. Though Earthrock Trilobite's helmet is destroyed by the gravity weapon and it does more damage, attacking with guard breaking moves (full charge, third swing, eighth shot) will only knock the helmet off and he will be vulnerable while he tries to return to it.

Earthrock Trilobite (weak against Guard Breaks or Gravity Weapon; harder as he is not distracted)
Gigavolt Man-O-War (weak against Avalanche Yeti)
Burn Roster
Bamboo Pandamoniam
Optic Sunflower
Dark Mantis
Gravity Antionim

Earthrock Trilobite stage: Armor capsule:
To get past the canisters and get to the Armor Pod, you need the weapon acquired from Burn Rooster. Just shoot and get the armor.

Optic Sunflower stage: Fight Cutman:
Start the game with a Mega Man X: Command Mission saved game file on your memory card. Immediately before you fight Sunflower, you navigator will say something about a signal marked "CM". A portal will open, and you can fight Cutman. He can be killed with a charged Buster Shot.

Get easy Metals:
This trick requires a Life Tank, but it does not have to be full. Spend all your Metals until you have less than 50. After that, buy the Life Charge Chip. Normally you cannot buy it if you do not have more than 50 Metals. If it works, you will see the Metal counter get crazy. You can now buy anything at the R&D Lab. If you take any Metal on a stage, the metal counter will drop to the top (9999999).

Easy combo multiplier:
You must have the D-Glaive Weapon for Zero, the Rasensetsu (the weapon obtained from Dark Mantis). Enter a level with Zero and look for a the enemy that shoots three rockets at you at the same time. Equip the D-Glaive and stand far enough from the enemy to where you will not kill him, but will still be able to get him to shoot rockets at you. Then, perform the spin attack obtained from Dark Mantis in mid air. After awhile you will rack up a large number of combo attacks.

Easy money:
To get extra money, just stay in one area and run right and left. You get the money when you run left, and you must run right or it will not work. Do not press Circle going both ways.

Mega Man X8 Official Website

Mega Man X8 GameSpot Preview

This third-person action game , developed by Capcom Production Studio 3, is scheduled to be released on December  7, 2004.