Cheat list.

Enter these during game play. Slow motion: R2 L2 Up Down X Up L2. Full Heal: R2 L2 Up Down X Up Down. Punch Mode: R2 L2 Up Down X Up. Up. Gravity: R2 L2 Up Down X L2 L2. Lethal Charge: R2 L2 Up Down X R1 R1. Bomb Mode: R2 L2 Up Down X Up L1. Megaforce: R2 L2 Up Down X R2 R2 (restart level to remove effects). Nailgun Mode: R2 L2 Up Down X L1 L1. Level Menu:(activated at main menu)R2 L2 Up Down Square Triangle Circle. All Weapons: R2 L2 Up Down X Up Square X. Invincibilty:R2 L2 Up Down X R2 L2 R1 L1.