|give all||Gives you different weapons, including some that cannot otherwise be obtained.|
|give ammo||Refills your weapon ammo and grenades.|
|god||Makes you immune to all forms of damage.|
|jump_height X||Changes your jump height.|
X can be any number between 0 and 128. Default value is 39.
|noclip||Allows you to fly through all objects, but you cannot use your weapons or activate triggers.|
|notarget||Makes enemies ignore you.|
|timescale X||Changes the speed of the entire game, including the menu music.|
X can be any number between 0.1 and 1000. Default value is 1.