Level Select
     Pause  gameplay,  hold Square and press Up, Down, Left, Right(3),
Down, Left.

Infinite Lives
     Pause  gameplay,  hold  Square  and  press  Down, Down, Up, Down,
Right, Down, Up, Up.

Level Skip
     Pause  gameplay,  hold  Square and press Right, Left, Up, Up, Up,
Right, Left, Left.

All Extras and Bonus Levels
     Pause gameplay, hold Square and press Right, Up, Up, Down, Right,
Down, Right.

All Characters
     Pause  gameplay,  hold  Square and press Left, Right, Left, Left,
Left, Up, Left, Left.

Temporary Invincibility
     Pause gameplay, hold Square and press Left, Left, Up, Left, Down,
Right, Right, Right.

Turn Coins Into Mad Garibs
     Pause  gameplay,  hold Square and press Right, Left, Right, Left,
Up, Up, Left, Right.