Press ~ to display the console window, then enter one of the following case-sensitive codes to activate the corresponding cheat function.

Effect	Code
Demon mode	SV_DEMON_1
Level skip	SV_PERFECT_FINISH_1
Full ammunition	SV_MAX_AMMO_1
Full ammunition and health	SV_EVERYTHING_1
Full health	SV_MAX_HEALTH_1
God mode	SV_CHEAT_GODMODE_1
Keep decals	SV_KEEP_DECALS_1
Monsters always gib	SV_MONSTERS_ALWAYS_GIB_1
Monsters have less HP	SV_LESS_MONSTER_HP_1