Press [Esc] during game play and select the password option. Enter LETSRIP! As a password. The phrase "Cheat Mode Is On" will appear to confirm correct code entry. Press one of the following keys to activate the corresponding cheat function.

Effect	Key
Fire upwards	U
Full fire	F
God mode	G
Jason fire	H
Jason probe	J
More air	A
More shields	S
Rapid fire	R