Level Select
Hold START + A + B at the Title Screen and then release the buttons when the desired level is displayed. Alternatively, you can hold A + SELECT at the Title Screen.

Level Skip
Press and hold A + START to jump to the next level.

Have 255 Lives
Enter NYOPUGLE as a password to start with 255 Lives.

Continue Game Play
Allow the Title Screen to appear after game play ends and then hold A + B and press SELECT 5 times and START to resume game play at the last level played with a score of 0.