Enter one of the following codes at the console menu
to activate the corresponding cheat function.

Code
All spells allammo
Breathe underwater amphibious
Disable invisibility invisible 0
Enable invisibility invisible 1
Fly mode fly
God mode god
Kill all monsters killpawns
Kill indicated classes killall
Level select switchlevel
All levels completed completelovol
No clipping mode ghost
Normal view behindview 0
Select new coop level switchcooplevel
Sends message to other players say
Set game speed slomo <0.0-1.0>
Summon indicated class summon
Third person view behindview 1
Toggle time on and off playersonly
Walk mode walk