fart green gas
at any time of game play type the code up, left, right, square, circle, X.

Voice cheat
Press and hold R1, and press Triangle, up, circle, left, X, down, square, right ANY TIME during the gameplay. After you enter the code, Abe can solve voice puzzles with any single sound

Green Fart
Press and hold R1, and press up, left, right, square, circle, X ANY TIME durring gameplay. After you enter the code, Abe toots a green air mine each time he farts.

Level Skip
Enter this code at the main options screen: Down, Right, Left, Right, Square, Circle, Square, Triangle, Circle, Square, Right, Left.

Movie view
Enter this code at the main options screen. Up, Left, Right, Square, Circle, Triangle, Square, Right, Left, Up, Right.