Unlock all levels
 
 At the level selection screen, hold Circle + X + Triangle + Square +
 L1 + L2 + R1 + R2 on controller two and press Down, Down, Right.
 
 99 lives
 
 At the level selection screen, hold L2 + R2 on controller two and
 press Up, Down, Left, Right. Then hold L1 + R1 on controller two, and
 press Right, Left, Down. Finally, release L1 and R1, then press Up.
 
 All damage takes 1 point
 
 At the level selection screen, hold L1 + R1 on controller two and
 press Triangle, X, Square, Circle. Then, hold L2 + R2 on controller
 two and press Circle, Square, X. Finally, release L2 and R2, then
 press Triangle. 
 
 Invincibility in caves
 
 At the level selection screen, press R2(2), L2(3), R1(7), L2(3),
 R2(3), R1(7) on controller two.
 
 Refill energy
 
 Pause the game and press Up, Up, Down, Down, Square, Circle, Square,
 Circle, L1, R1 on controller two.
 
 Rocket Potato
 
 Pause the game and press R1, L2, R2, L1, Left, Right, Up on
 controller two. 
 
 Padapada Potato
 
 Pause the game and press R1, L2, R2, L1, Left, Right, Down on
 controller two. 
 
 Fuwafuwa Potato
 
 Pause the game and press R1, L2, R2, L1, Left, Right, Circle on
 controller two. 
 
 Jumping Potato
 
 Pause the game and press R1, L2, R2, L1, Left, Right, Triangle on
 controller two.
 
 Ice Potato
 
 Pause the game and press R1, L2, R2, L1, Left, Right, Square on
 controller two. 
 
 Marine Potato
 
 Pause the game and press R1, L2, R2, L1, Left, Right, X on controller
 two.