During the game, press T and enter in one of the following codes to unlock the corresponding cheat:

Cheat	Code
God Mode	mpkfa, cap in my ass, I wanna be like Kevin
Temporary God Mode	voorhees
Disable God Mode	no cap in my ass
All Weapons + Ammo	lara croft
All Weapons + Items	idaho
All Items	montana
100% Health	clarice
200% Health	spork
200% Health + On Fire	krueger
200% Health + Diving Suit	cousteau
Skip Level	calgon, mario, or luigi
Temporary Blindness	sterno