Invincibility: Press Select during the game, then hold R1 + L1 + R2 + L2 + Square and press Left. Repeat to disable its effect.

Full ammunition: Press Select during the game, then hold R1 + Square and press Left.

No clipping: Press Select during the game, then hold L1 + L2 + R1 + Square and press
Left. You may now walk through walls. Repeat the code to disable the effect.

Heavy weapons: Press Select during the game, then hold L2 + R2 + Square and press Left.

Hand to hand weapons: Press Select during the game, then hold L1 + R1 + Square and press Left.

No target: Press Select during the game, then hold L1 + L2 + Square and press Left. Repeat the code to disable its effect.

No gravity: Press Select during the game, then hold L1 + L2 + R2 + Left + Square and press Start. Repeat the code to disable its effect