Sent in by Code Hunter
While in a level press Start to pause the game and hold the Z Button.
While holding Z, press: C-Down, L, R, L, R, L, R, L, R, L, R. A tone will
sound and the option "Enter Secret Worlds!" will appear. Highlight the
option and press the A Button to be taken to the secret worlds.
Sent in by Code Hunter
While in a level press Start to pause the game and hold the Z Button.
While holding Z, press R, B, A, B, A, C-Up, C-Down, C-Left, C-Right, C-Up,
C-Down, C-Left, C-Right. A tone will sound and the option "Unlock
Worlds:" will appear. Highlight the option and turn it to "Yes" to access
all of the worlds.
