Cheat Codes:
Press ` to display the console. Then, type one of the following codes and press [Enter] to activate the corresponding cheat. Note: Except as noted, the codes can only be used in single-player mode.
CHEAT FUNCTION – CHEAT CODE
God mode – iwillsurvive
Level select – letmego
Allow call for Arty – raindropskeepfallinonmyhead
Full ammo – takeittothelimit
Expert CPU – hitmewithyourbestshot
Invisibility – closetoyou
Set gamma level – gamma