Various Cheats
During gameplay, press Enter on the NumPad for the console, then type any of the following "Codes":

Superman = God Mode
TeamSuperman = Team God Mode
Shadow = Invisibility
TeamShadow = Team Invisibility
ammo = Unlimited Ammo
refill = Refill Inventory
autowin = Win Mission
chickenrun = Grenades Become Chickens
god = Struck Down From Heaven
run = Run
rock = Enemy Bases are Yours
extremepaintball = Paintball Mode