To enter a cheat code:

Press the "~" key to display the console, enter a code, and press <RETURN>.

Cheat Codes:

GOD					Enables "god" mode.
NOCLIP				Allows you to walk through walls.
NOTARGET				Makes monsters idle until provoked.
WAVE					Causes your character to wave at opponents.
					Note: This code may be followed by a number
					from 0 to 4 (3 is a standard wave).
FLIPOFF				Causes your character to flip-off opponents.
					Note: This is the same as WAVE 0.
SALUTE				Causes your character to salute opponents.
					Note: This is the same as WAVE 1.
TAUNT					Causes your character to taunt opponents.
					Note: This is the same as WAVE 2.
POINT					Causes your character to point at opponents.
					Note: This is the same as WAVE 4.
PUTAWAY				Unknown multi-player code.
GIVE ALL				Gives you all items, weapons, and ammo.
GIVE WEAPONS			Gives you all weapons.
GIVE AMMO				Gives you full ammunition.
GIVE ARMOR				Gives you full armor.
GIVE HEALTH				Gives you full health.
GIVE					Gives you an item.  Note: This code must be 
					followed by the name of an item:

					ADRENALINE
					AIRSTRIKE MARKER
					AMMO PACK
					ANCIENT HEAD
					ARMOR SHARD
					BANDOLIER
					BFG10K
					BLASTER
					BLUE KEY
					BODY ARMOR
					BULLETS
					CELLS
					CHAINGUN
					COMBAT ARMOR
					COMMANDER'S HEAD
					DATA CD
					DATA SPINNER
					ENVIRONMENT SUIT
					GRENADE LAUNCHER
					GRENADES
					HYPERBLASTER
					INVULNERABILITY
					JACKET ARMOR
					MACHINEGUN
					POWER CUBE
					POWER SHIELD
					PYRAMID KEY
					QUAD DAMAGE
					RAILGUN
					REBREATHER
					RED KEY
					ROCKET LAUNCHER
					ROCKETS
					SECURITY PASS
					SHELLS
					SHOTGUN
					SILENCER
					SLUGS
					SUPER SHOTGUN