Secret Levels
     At  the  Game  Mode  Selection screen, press Up to enter a Secret
Mode screen. Do any of the following footsteps to get the secret mode:

Another
     Up, Up, Down, Down, Up, Up, Down, Down

Maniac
     Left, Left, Right, Right, Left, Left, Right, Right

Double Another & Maniac
     Up, Up, Down, Down, Left, Right, Left, Right

Mirror Another & Maniac
     Left, Right, Left, Right, Left, Right, Left, Right

     The  Secret Modes will be saved to your memory card, so you won't
have to re-enter them.