Bring down the console with the Tilde (~) key and enter the cheats. Note: Listed cheats will cause the game to display your name as "CHEATER".

Effect	Code
GodMode	ImmortalCheat 1
money xxxx	Give you certain amount of money
Teleport to where your mouse is pointing to	Tele
Use to set your skill number to whatever. Example = "Cheatskill skshooting 99"	CheatSkill [Skillname] [Amount]