Full power:
Collect the following items in order: Penguin, Oil can, Wine glass, Earth, and Racket.

Invincibility:
Collect the five bonus items at the beginning of the game in this order: Cake, Hammer, Earth, Apple, and Tap (i.e., Faucet). Note: The invincibility will expire in approximately ten minutes. To select any level for game play, complete the current level while the invincibility is enabled.

Level skip:
Enable the "Invincibility" code. Pause game play and press A(4). The game will resume at the exit. Note: Enabling this code may result in an impossible situation that may require a reset.

Unlimited lives:
Collect the following bonus items in the sports level in this order: Lips, Ice cream, Violin, Earth, and Snowman.

Cheat mode:
Hold A + C + Down/Left and press Start. A hidden menu with a level select, sound test, and controller configuration options will appear.

Super jump:
Hold C + B + Down for a few seconds. Release the buttons to perform a super jump. Hold the buttons longer for a higher jump.