X-Men: Mutant Academy

Cheat mode:
Press Select, Up, L2, R1, L1, R2 at the main menu or character selection menu. A sound will confirm correct code entry. Everything will now be unlocked in Cerebo mode and Boss characters will be playable.
Information in this section was contributed by Bradley Paulsen.

Press Circle, Select, L1, R1, R2, L2, Square(2), Select at the options screen to unlock all bonuses in the game.

Alternately, press R1, R2, L1, L2, Select, Circle, Triangle, Square, X at the main menu.
Information in this section was contributed by Mrmroe.

Lock Movies, Bosses, and Survival Pictures 1 and 2:
Hold Select + Start at the main menu or character selection menu. The game will return to the main menu. Everything except Academy mode rewards will be locked again in Cerebo mode.
Information in this section was contributed by Bradley Paulsen.

Level 2:
Press Square, Triangle, X, Circle, Triangle, Square, Circle, X at the main menu.

Level 3:
Type Square, X, Circle, Triangle(2), Square, X, Circle at the main menu.

Level 4:
Press Square, Triangle, X, Circle(2), Triangle, X, Circle at the main menu.

Level 5:
Press X, Circle, Square, X, Triangle, Square, X, Circle at the main menu.

Level 12:
Press X(2), Circle, X, Circle, X, Square, Circle at the main menu.

Level 13:
Press Circle, Triangle, X, Circle, Triangle, Square, X, Circle at the main menu.

Level 14:
Press Square, Triangle, X, Circle, Triangle, X, Circle, Square at the main menu.

Level 15:
Press Square, Triangle, X, Circle, Square, Triangle, X, Circle at the main menu.

Taunts:
Press Triangle + X (LK + HP) to taunt your opponent.

Toad:
Successfully complete arcade mode as any character to unlock Toad.

Mystique:
Successfully complete arcade mode twice as any character to unlock Mystique.

Sabretooth:
Successfully complete arcade mode three times as any character to unlock Sabretooth.

Magneto:
Successfully complete arcade mode four times as any character to unlock Magneto.

Professor X:
Win 30 rounds in survivor mode as Magneto to unlock Professor X.
Information in this section was contributed by mmhorst2.

Spider-Man:
Enable the "Cheat mode" code. Highlight Cyclops at the character selection screen and hold L1 while he is selected.

Movie costume:
Press Square at the character selection screen to choose that character's movie costume.

Third costumes:
Graduate the Academy with any character and get all "A" ranks. Then, press Circle at the character selection screen.

Behind the scenes pictures in Cerebro mode:
Successfully complete the game with all characters in their movie costumes.

Character movie pictures in Cerebro mode:
Win twenty rounds as any character in their movie costume in survival mode.

Character comic pictures in Cerebro mode:
Win ten rounds as any character in their default costume in survival.

Historical comic pictures in Cerebro mode:
Successfully complete the game with all characters in their default costumes.

Character opening FMV sequence in Cerebro mode:
Successfully complete the game as any character in arcade mode.

Character ending FMV sequence in Cerebro mode:
Graduate the Academy with any character.

Movie pictures in Cerebro mode:
Win twenty rounds as Gambit in survival mode.

Soundtrack:
Place the game disc in an audio CD player and play track two and above to hear 11 songs from the game.
Information in this section was contributed by starwars_boba_fett and Mahmoud Diab.