During gameplay press START and enter any of the following codes:

Half Damage: Square, Square, Circle, Circle, Left, Left, Right, Right, Circle, Circle, Square, Square

Bulletproof: Left, Right, Right, Left, Square, Circle, Circle, Square

Invincibility:- Left, Right, Right, Left, Left, Right, Right, Left, Left, Right, Right, Left, Square, Square

Infinite Ammo: Square, Circle, Square, Circle, Square, Circle, Square, Circle, Left, Circle, Square, Circle, Square, Circle, Square, Circle, Square

One-Shot Kills: Circle, Left, Right, Right, Left, Circle, R2, L2, Circle, Square, Square

M7 Turned Frag Launcher: L2, R2, Right, Right, Left, Left, Right, Right, R2, L2, Square, Circle

Crossbow Turned Frag Launcher: Left, Right, Right, Left, Square, Circle, L2, R2, Square, Circle, Left, Right

Big Weapons: Square, Square, Square, Square, Circle, Circle, Circle

Big Feet: Right, Right, Right, Left, Right, Left, Right, Left, Left, Left

Skip Cutscene: L2, Square, L2, Circle, L2, Left, L2, Right, L2, R2, R2, Square, R2, Circle, R2, Left, R2, Right, Square

Watch End Cinema: R2, L2, Square, Square, Left, L2, L2, Square, Square, R2, Square