Also Known As: X-Men 2 - Gamesmaster's Legacy

Pro Action Replay Codes:
Mutant Power Always On - 00DF8A:09
Infinite Health - 00DF8B:FF -Rune
Infinite Mutant Power - 00DF8C:FF -Rune
Invulnerability - 00C300:02

Game Genie Codes:
Invulnerability - 000-2C7-3B4
Start with no mutant power - 002-644-195 -Galoob
Start with 1/2 mutant power - 772-644-195 -Galoob
Infinite mutant power - 3AA-2A7-2A2 -Galoob
Mutant power is used quicker - 14A-267-C42 -Galoob
Infinite energy - 3AA-BD7-2A2 -Galoob
One hit is fatal most of the time - AFA-BA7-2AA + 00A-BB7-E6E -Galoob
Start with very little energy - 012-634-195 -Galoob
Start with 1/2 energy - 772-634-195 -Galoob
Flash a lot longer after getting hit - FFA-A97-2A2 -Galoob
1 hit and you're invisible - 000-2F7-19E -Galoob
Almost invincible - 000-2B7-806 -Galoob-Galoob