Press T for the "Talk" feature, then enter one of the following codes to activate the corresponding cheat function:
mpkfa, cap in my ass: God mode
voorhees: temporary God mode
no cap in my ass: disable God mode
clarice: 100 % health
spork: 200% health
keymaster: all keys
rate: display framerate
lara croft: all weapons and ammo
idaho: all weapons and items
montana: all items
bunz: get two of same weapon
satchel: all items
krueger: 200% health and on fire
cousteau: 200% health and diving suit
griswold: 200% armor
calgon: Level skip
spielberg: level select and cheats disabled
sterno: temporary blindness
eva galli: clipping mode
goonies: full map
onering: invisibility
edmark: commit suicide
jojo: drunk mode
funky shoes: higher jumps
fork broussard: no weapons, 1% health, and drunk