Code Effect IDDQD God mode
IDKFA All weapons and ammo
IDFA Weapons but no keys
IDCHOPPERS Chainsaw
IDSPISPOPD Walk through walls
IDMYPOS Coordinates (in hexadecimal)
IDDT Map toggle
IDBEHOLD Cheat Menu IDBEHOLDA Area Map
IDBEHOLDV Temporary invulnerbility IDBEHOLDI Temporary invisibilty IDBEHOLDL Light amplification visor
IDBEHOLDS Berserk Mode IDBEHOLDR Radiation suit
IDCLEV## Skip to episode #, level #