Full health
Pause the game and select the "Audio" option at the menu. Then, press R1, L1, R1, L1, Circle(2), Square(2), R1, Square. If you entered the code correctly, a message will appear.

Infinite Electric Bombs
Pause the game and select the "Audio" option at the menu. Then, press R1(2), L1(2), Circle(2), Square. If you entered the code correctly, a message will appear.

200,000 Klokkies
Pause the game and select the "Audio" option at the menu. Then, press L1(2), R1(2), Circle, Square, Circle. If you entered the code correctly, a message will appear.