Password - Nightcrawler's Danger Room level | |
| To unlock this level, put in the following code at the Cerobro Files Menu: | |
| Nightcrawler's Danger Room level | Press Up, Up, Down, Down, Left, Right, Left, Right, Start |
Password - Iceman's Danger Room level | |
| To unlock this level, put in the following code at the Cerobro Files Menu: | |
| Iceman's Danger Room level | Press Right, Right, Left, Left, Down, Up, Down, Up, Start |
Password - Wolverine's Danger Room level | |
| To unlock this level, put in the following code at the Cerobro Files Menu: | |
| Wolverine's Danger Room level | Press Down, Down, Up, Up, Right, Left, Right Left, Start |
Unlockable - Danger Rooms | |
| Other 6 Danger Rooms | Collect all Sentinel files and Weapon X files with each character. |
