Mega Man X Collection GameCube Cheat Codes

Mega Man X2: System Diagnostic Test

Hold down A on player 2's controller while loading X2. Keep it held until a list appears onscreen; this is the "Cx4 Test", a developer's diagnostic tool leftover in the game. Unless you happen to have knowledge of game programming, very little in this menu is likely to make sense to you. Press any button to start the game.

Mega Man X5: Black Zero and X Ultimate Armor

First got to the character select screen. Highlight X. Press up twice and down 9 times. You will then unlock X's Ultimate Armor. To unlock Black Zero highlight him at the character select screnn and press down twice and up 9 times. That will unlock Zero's Black Armor.

• Up,Up,down,down,down,down,down,down,down,down, down.
  Get X's Ultimate Armor
• down, down, up,up,up,up,up,up,up,up,up.
  Get Black Zero

Mega Man X6 Ultimate Armor Codes

• L, L, L, R
  Night Shade Zero upon earning Zero
• Left, Left, Left, Right
  Ultimate Armor X at the start

Ultimate Armor Codes for X4

• Hold R and press Right, Right, Right, Right, Right, Right, release R, press and hold X then Press Start
  Night Shade Zero

Ultimate Armor for X in Megaman X4

Highlight X at the character selection screen. Press X, X, Left, Left, Left, Left, Left, Left, then hold L and Z buttons and press Start/Pause, hold L and Z until you enter the first stage. After the first stage go to the Jungle Level and go to where the Leg Enhancement would be and the Dr. Light Give you the Ultimate Armor whit the Nova Strike unlimited.