Cheat Codes:
State of Origin - Enter the codes at the start menu. A sound will play if you did it correctly.

Thin Players - Select Two player mode and have player one input the first code and player two the second code.

Square, Square, Square, Triangle, Triangle, Triangle and then Circle, Circle, Circle Up Up Up Down Left Left - State of Origin mode

Player one: L1,R1, Left analog stick forward. Player two: Press select repeatedly during gameplay - The Players become thin

Misc. Codes:
Enter the following during gameplay:

Player 1: Press and hold L1, R1, Up on the Left-analogue stick and O - - - - Player 2: Press select continuously while Player 1 presses its buttons - The players are made to look like they are Gorillas eg. Long arms, chubby bodies

Player 1: Press and hold L1, R1, Up on the let-analogue stick and Sqaure - - - - Player 2: Press select continuously while Player 1 does its buttons - Makes the players look really, really chubby and fat

Player 1: Press and Hold L1, R1, Up on the left-analogue stick and X - - - - Player 2: Press select continuously while Player 1 does its buttons - Makes some players really, really tiny and some players relly, really tall