During the game, press Enter to bring up the chat bar, type a code, then press Enter again.

	1-900: Heavy breathing mode!
	5fingerdiscount: Replenishes ammo.
	avatargod: God mode
	bignoggin: Big heads on.
	clodhopper: Big hands and feet on.
	debugkeys: debug keys
	fastactionresponseteam : Player's have deadly gasnoises
	explore: Turns off victory conditions.
	meganoggin: Huge heads.
	nobrainer: Disables AI (even your teammates.)
	silentbutdeadly: Player's have deadly gasnoises
	stumpy: Stumpy mode.
	teamgod: Team god-mode
	turnpunchkick: Enables side scroller mode.