XBox: These cheats are only triggered by these codes and are not unlocked. They are for fun and will cause problems with level completion etc.

In Game:
God Mode - R,L,Up,Down,A,R,L,Black, White
All Weapons - R,L,Up,Down,A,Up,X,A
Slomotion - R,L,Up,Down,A,Up,L
Full Heal - R,L,Up,Down,A,Up,Down
Punch Mode - R,L,Up,Down,A,Up,Up
Gravity - R,L,Up,Down,A,L,L
Lethal Charge - R,L,Up,Down,A,Black,Black
Bomb Mode - R,L,Up,Down,A,Up,White
Megaforce - R,L,Up,Down,A,R,R (restart level to remove effects)
Nailgun Mode *pins people to walls* - R,L,Up,Down,A,White, White
On main menu Title:
LevelMenu Press R, L, Up, Down, X, Y, B at the main menu.