Highlight Sound on the Options menu and push X, X, Circle (3x), Down. If you go back to Start, you will hear a sound if the code was entered in correctly.

No Damage on Fall

When jumping off of a high area, press L2.

Infinite Health

During a game, press Select and highlight Help. Press L2, L1, L2, Square, Circle, Square, R3, L3, R3, Circle.

One-hit Kills

During a game, press Select and highlight Help. Press L2, L1, L2, Square, Circle, Square, L3, R3, Circle, Square.

Choose Character

During a game, press Select and highlight Help. Press L2, L1, L2, Square, Circle, Square, L2 (4x). Press L2 to cycle through characters.

Small People

During a game, press Select and highlight Help. Press L2, L1, L2, Square, Circle, Square, L3, R3, Square, Circle.

Big People

During a game, press Select and highlight Help. Press L2, L1, L2, Square, Circle, Square, R3, Square, Circle, L3.

Big Head Mode

During a game, press Select and highlight Help. Press L2, L1, L2, Square, Circle, Square, Start, Circle, Start.

Increase Difficulty

During a game, press Select and highlight Help. Press L2, L1, L2, Square, Circle, Square, R3, L3, Circle, Square.