Cheat mode:
Press [Shift] + ~ during game play and type devmapall or helpusobi 1 (in newer patches of the game) to enable cheat mode. Then, enter one of the following codes to activate the corresponding cheat function. Note: Some codes have been disabled in newer patches of the game.
Effect Code
All weapons and items give all
Dead mode on undying
Extra ammunition give ammo
Extra armor give armor
Extra health give health
Maximum inventory give inventory
Refill Force give force
God mode god
No clipping noclip
Quit game quit
Show shaders shaderlist
Suicide kill
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