Sound test
Start a new game. Hold Start + A + B and press Select during game play.
Super password
Enter DMJMBJRFFR as a password to begin on the last level with full power.
Level passwords
Level Password
2 NCFRGJJBBK
3 DMTFLSBFQM
4 PKDJMPLNPS
5 KDQLHRNDCN
6 DQSPCFPFJR