Earn a 3-star rating on any level in order to unlock a bonus piece of artwork. As an added bonus, each piece of art has half of a code on it. Combine the left bonus' code with the right bonus' code to get the cheat. Cheats can be entered on the title menu.
Fully Equipped
Press R1, R2, L1, L2, Down, Up, Left, Up at the main menu.
Helium Hunters
Press R1, R1, Triangle, Circle, Square, L2, L1, Down at the main menu.
Invisibility
Press Square, Square, Square, Down, Square, Down, Circle, Up at the main menu.
Monkey Skin
Press Square, Square, R2, Down, Triangle, Square, Circle, Down at the main menu.
Piggsy Skin
Press Up, Down, Left, Left, R1, R2, L1, L1 at the main menu.
Rabbit Skin
Press Left, R1, R1, Triangle, R1, R1, Square, L1 at the main menu.
Regenerate
Press R2, Right, Circle, R2, L2, Down, Circle, Left at the main menu.
Runner
Press R2, R2, L1, R2, Left, Right, Left, Right at the main menu.
Silence
Press R1, L1, R1, L1, Right, Left, Left, Left at the main menu.
Super Punch
Press L1, Triangle, Triangle, Triangle, Circle, Circle, Circle, R1 at the main menu.
