Unlockable - Unlock Unacquired Danger Room Discs | |
| If you missed any Danger Room discs along the way, this secret will help you out. If you visit The Healer and purchase his grab bag, you will sometimes get Danegr Room discs. Every Danger Room disc in the game is available from him. | |
Unlockable - Unlockable Characters | |
| Magneto (in vs mode only) | Beat the game once |
| Psylocke | Finish NYC Riot/Muir Island/Sewer level |
| Colossus | Finish Nuclear Facility level |
| Emma Frost | In X Mansion after Nuclear Facility level |
| Jubilee and Nightcrawler | Finish Second Level |
| Gambit | Finish Third Level |
| Ice Man, Jean Grey, Beast, Rogue, and Storm | Finish First Level |
| Cyclops | Beat Mystique |
Unlockable - Secret Art | |
| Secret Art | Collect all Sketch Books |
Unlockable - Extra Costumes | |
| Colussus without metal, Colussus 90's | Beat the game |
| Original Beast | Beat the game |
| Original Jean Grey, Phoenix | Beat the game |
| Original Cyclops, Cyclops 80's | Beat the game |
| Wolverine 90's, Weapon X | Beat the game |
| Bobby Drake, Original Iceman | Beat the game |
| Street Clothes Magma | Beat the game |
| Original Nightcrawler | Beat the game |
| Ultimate Beast without fur | Beat the game |
Glitch - Nightcrawler falls through the screen | |
| While playing the New York Sentinel level control Nightcrawler. When you go to rescue Bishop from a Sentinel make sure you're playing as Nightcrawler, then after you're done talking to Bishop Nightcrawler will fall through the floor, every time. | |
