All Working X2: Wolverine's Revenge Cheats - GBA

Invincibility
Hold [L] and press [Down], [Up], [Down]x2, [Up], [Down], [Select] at the main menu. A sound will confirm correct code entry.

100 lives
Hold [L] and press [Right]x7 at the main menu. A sound will confirm correct code entry.

Unlimited double jumps
Hold [L] and press [Select], [Left], [Up], [Down]x2, [Up], [Down] at the main menu. A sound will confirm correct code entry.

Defeating Omega Red
Note: You must first have the following power-ups: Slide, Somersualt, and the Dive attack (found in the Xavier Institute). When you are done talking with Omega Red, quickly use the Dive attack three times, then quickly wall climb to the wall where he was standing. When he leaves the wall and attacks you with his "steel whips" that walk to you, use the use the Double Jump or the Somersault power-up to evade it. When you are about to land, quickly use the Dive attack twice against him. Wall climb again to the to the wall where his standing. When he uses the "steel whips" that extend from the ceiling, use the Slide Attack until you reach him. Then, use the Dive attack once or twice. Then, wall climb to the wall where he is standing. When he leaves, evade the attack and keep attacking him. Repeat this process until he has been defeated.

Defeating Pyro
Jump on the wall, then jump to the top. When Pyro shoots the fire circling around him, drop just before it hits the wall then dash to him. When he shoots out the birds, stay near the wall. When they are about to hit you, double jump over and slide below them. Repeat this until they burst.