99 lives:
Pause game play, then press A, Right, B, Up, A, Left, B, Down, A, Right, B, Up, A, Left, B. Note: The speed at which the buttons are pressed are particularly sensitive. Try pressing them faster or slower until the code is enabled.

World map:
Pause game play, then press A, Left, A, Left, A, B, Right, B, Up, B, A, Left, A, Down, A. Note: The speed at which the buttons are pressed are particularly sensitive. Try pressing them faster or slower until the code is enabled.

Full energy:
Pause game play, then press B, Right, A, Up, B, Left, A, Down, B, Right. Note: The speed at which the buttons are pressed are particularly sensitive. Try pressing them faster or slower until the code is enabled.

All powers:
Pause game play, then press Right, Left, Up, Down, A, Up(2), Down(2), B, Right(2), Left(2), A. Note: The speed at which the buttons are pressed are particularly sensitive. Try pressing them faster or slower until the code is enabled.

Normal levels unlocked:
Enter CH5G4mS1jD as case-sensitive password to access the world map with all normal levels unlocked. The secret levels and chest are not completed.

Super password:
Enter ^sgMc0vv?= As a case-sensitive password to have 99 Lives, all levels completed, the secret levels completed and time trial level unlocked.