All Magic
     Start  a  single player game. Press Start to pause the game, then
press R1, R2, L1, L2, X, Triangle, Circle, Square.

All Multiplayer Characters
     Press R2, Circle, X, Square, Triangle, Right, Down, Left, Up, L2,
L1, Circle, Square, L1, L2, L1, Circle, L2, Square at the main menu.

Invincibility
     Start  a  single player game. Press Start to pause the game, then
press L1, L2, Circle, Square, L1, L2, Circle, Square.

Level Select
     Press  L1, L2, X, Triangle, L1, L2, X, Triangle at the main menu.
Note: This code can also be enabled during gameplay.

One Hit Kills
     Start  a  single player game. Press Start to pause the game, then
press  L1,  L2,  Left  Analog-stick  Up,  Left Analog-stick Down, Left
Analog-stick  Left,  Left  Analog-stick  Right,  Triangle,  Square, X,
Circle.