Pause game play and press C, Right, A, B(2), A, Left(2), A, Right, Down. Resume game play. Pause game play again and press Up to jump to the next stage or Right to jump to the next level.

Hold Start and press Down, Up, Left(2), A, Right, Down during game play.

Hold Start and press Right, A, Down, A, Right, B, Left, Up, Right during game play.

Hold Start and press B, A, Right(2), A, C, Up, Down, A during game play.

Hold Start and press Down, Up, Left(2) during game play.