X-Men: Mutant Academy

Graduate the Academy with straight A's with any character to unlock their third costume. Press Circle to select the third costume.

Complete ten rounds with any character in their regular costume in survival mode to unlock their comic picture in cerebro mode.

Complete arcade mode with any character to unlock their intro FMV sequence in cerebro mode.

At the main menu or character selection screen, press Select, Up, L2, R1, L1, R2. If you entered the code correctly, you will hear a sound. Everything will now be unlocked in cerebo mode and Boss characters will be playable.

Complete arcade mode with all characters in their regular costume to unlock their historical comic picture in cerebro mode.

At the main menu or character selection screen, hold Select + Start. The game will return to the main menu. Everything except academy mode rewards will be locked again in cerebo mode.

At the character selection screen, press Square when selecting your fighter to fight in their costume from the live-action X-Men movie.

Complete twenty rounds with Gambit in survival mode to unlock movie pictures in cerebro mode.

Graduate the Academy with any character to unlock their outro FMV sequence in cerebro mode.

Complete arcade mode four times with any character to unlock Magneto.