Complete the following achievements to unlock Xbox Live Gamerscore points.
Complete the following achievements to unlock Xbox Live Gamerscore points. Note: Enabling any cheat code except for costumes will prevent achievements from becoming unlocked. To prevent this from happening, enable any desired cheat code, then quit to the main menu. Select "Continue" or "Replay Mission" and you will be able to unlock the achievements with the currently active cheat codes.
Additionally there are eleven secret achievements.
During Gameplay enter the following. Note: Cheats other than the Classic Wolverine Costume will disable earning Achievements.
Collect three hidden Classic action-figures to start a Classic X-Men fight. Defeat them to unlock that costume.
Unlock at least one action-figure fight by collecting three Classic, Legendary, or X-Force action-figures.