Cheat Codes...
	Extra Face Skins...
	Light Gun...
	Turbo mode...

Enter these during game play, without pausing. Note: By entering any of these codes, the game will enter "Cheat Mode" disabling save support for the duration of your current game session. You must restart the game to resume save support.

Effect	Code
All Characters	UP UP UP LEFT RIGHT R A R A R
All Stages	X X B X X B X X B A A
All Styles	LEFT LEFT RIGHT RIGHT UP DOWN UP DOWN B A
All Weapons	UP UP DOWN DOWN LEFT RIGHT LEFT RIGHT B A
BIG MONEY!	LEFT RIGHT LEFT RIGHT UP UP DOWN DOWN R A
GAWD MODE OFF	DOWN DOWN LEFT RIGHT LEFT RIGHT UP UP R B
GAWD MODE ON	UP UP LEFT RIGHT LEFT RIGHT DOWN DOWN R B
LOSE THE COPS	UP UP DOWN DOWN R A R A B
RED "SWEAT"	B A B X B A A
SPEED SHOES	RIGHT RIGHT UP DOWN LEFT LEFT UP DOWN R B
SUPER STOMP	LEFT LEFT UP DOWN RIGHT RIGHT UP DOWN R B

Enter "Coupon Codes" at MJ's Face-R-Us. To unlock promotional faces for purchase, enter these codes in the Face-R-Us store (press X to 'Enter Coupon Code').

Effect	Code
Anthony Carboni	CARBONI
Destructoid Staff	DTOID
Electric Playground TV Hosts	ELECPLAY
Epic Meal Time	EMT
Gaijin Staff	GAIJIN
John Romero	ROMERO
Maxime's friends	MAXIMEAMIS
Mojang Staff	MOJANG
Nintendo Power Staff	POWER
Phil Guerrero	PJFP
Playstation Blog Staff	URNOTE
Polytron Staff	POLYTRON
Team Meat Staff	TEAMMEAT

Complete Story mode to find the Light Gun at Doc Choc's house. To get more ammunition for it, enter and exit the house.

Press Down, Right, Y, Down, Left, Y at the main menu.