While playing, pause the game, and press A, B, Right, A, C, A, Down, A, Right, B, A. Unpause the game and your life bar will rise to 100 percent.

To view three dedication screens, pause the game and enter one of the following codes:

Screen #1: A, B, Right, A, C, A, Down + A, Start
Screen #2: A, B, Right, A, C, A, Down + C
Screen #3: A, B, Right, A, C, A, Down + A, A, A

While playing, pause the game and press A, B, Right, A, C, A, Down, A, B, Right, Left.

Note: This code will expire if you pick up a Shield or exit the level. When this happens, simply reenter the code and resume play.

To reset the game, pause and hold A + B + C then press Start.

To recover your health, pause the game and press A, B, Right, A, C, A, Down, A, B, Left, A.

To skip to the next level, pause the game and press A, B, Right, A, C, A, Down, A, B, Right, A.

To hurl a fireball, pause the game and press A, B, Right, A, C, A, Down, A, B, Right. Then unpause and press A to let 'er rip!