While playing a game, enter one of the following codes to activate the corresponding cheat function:
Result
Cheat Code
Invincibility iddqd
All weapons, keys, ammo, and 200% armor idkfa
Reset ammunition idfa
Berserker strength idbeholds
Temporary invincibility idbeholdv
Temporary invisibility idbeholdi
Full automap idbeholda
Anti-radiation suit idbeholdr
Light amplification visor idbeholdl
Walk through walls idclip
Chainsaw idchoppers
Level select idclev[level number 01-32]
Toggle full map; full map and objects; normal map iddt
Display coordinates and heading idmypos
Change music to indicated level idmus[level number 01-32]
Kill all enemies in level fhhall
Invisible to enemies until attack fhshh