Play as Fwank:
Highlight Mamma and press L1, Circle, R1, Down(2), R1, Circle, L1(2). A red balloon will appear over Sister Magpie to confirm correct code entry. Move the pointer to her spot and Fwank will be playable.

Extra ammunition:
Pause the game and hold L1 + L2 for approximately ten seconds, until the red cursor can not be moved by the D-pad. While those buttons are held, press Triangle, Left(3), Circle, Triangle, Down. An option to refill your ammunition will appear when the game is paused.

Restore health:
Pause the game and hold L1 + L2 for approximately ten seconds, until the red cursor can not be moved by the D-pad. While those buttons are held, press Down, Right, Left, Triangle, Right, Down. An option to restore your health will appear when the game is paused.

Level skip:
Pause the game and hold L1 + L2 for approximately ten seconds, until the red cursor can not be moved by the D-pad. While those buttons are held, press Left, Triangle, X, Right, Circle, Triangle, Down.

Weapon power-up:
Pause the game and hold L1 + L2 for approximately ten seconds, until the red cursor can not be moved by the D-pad. While those buttons are held, press Left, Up, X, Circle. An option to power up the weapons will appear when the game is paused.

Display coordinates:
Pause the game and hold L1 + L2 for approximately ten seconds, until the red cursor can not be moved by the D-pad. While those buttons are held, press Down, X, Down, X, Down, X.

Play as a splattered corpse:
Begin game play as any character and enable the "Restore health" code. Press Start immediately after dying and select the "Health" option. Your character resume game play as a splattered corpse. Note: You can not shoot, but can still use bombs.