From Quake Wiki


You can enter these in the console or assign them to keys in your config files.

There are many more console commands, many depending on your engine but the ones listed here are supported by any engine and can be considered useful cheats.

Command Effect
god Invulnerability
notarget Monsters won't notice you until you shoot. Quasi a permanent Ring of Shadows.
impulse 9 All weapons, full ammo, gold and silver key.
impulse 11 You receive a rune, repeat it to receive the next one and so on.
impulse 255 Quad Damage
fly Flymode
noclip You can move through geometry and everything. Movement depends on the engine.
map eXmY Load map Y from episode Y, you lose all items.
changelevel eXmY Load map Y from episode Y, you keep all items.
give # Gives weapons 1-8. Select number for weapon (EX. 1=axe, 2=shotgun, 3=double barreled, etc.)