Level select:
Enter ILOVEU as a password.

Configuration mode:
Enter MAGURO as a password.

Time attack mode:
Enter DOFEEL as a password.

Boss mode:
Enter MUSEUM as a password.

Expert mode:
Enter SUPER or SUPERB as a password.

Reveal items:
Enter MIEMIE as a password. A silver star will appear during the game in locations where you can collect a bonus life, gold star, or treasure.

View credits:
Enter AGES as a password.

Disable all codes:
Enter XXXXXX as a password.