Unlockable - Unlockable Characters | |
| Ice Man, Jean Grey, Beast, Rogue, and Storm | Finish First Level |
| Cyclops | Beat Mystique |
| Jubilee and Nightcrawler | Finish Second Level |
| Gambit | Finish Third Level |
| Colossus | Beat Nuclear Facility level |
| Emma Frost | Beat Nuclar Facility level (meet in X-mansion) |
| Magma (on field missions) | Beat Blob in Magma/Cyclops mission |
| Psylocke | Beast NYC Riot, Morlock Rescue, and Muir Isle fight levels |
Unlockable - Extra Costumes | |
| Gambit's animated series outfit | Beat the game |
| Street Clothes Magma | Beat the game |
| Original Nightcrawler | Beat the game |
| Bobby Drake, Original Iceman | Beat the game |
| 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 |
