Big Head Mode
     Complete  the  game  on  Easy.  Then,  at  the Press Start Button
screen, press X, A, Y, B, B, B, Up, Up, Up, Up, Up on Controller D. If
done correctly, you will hear a sound.

Mirror Mode
     Complete  the  game  on  Normal.  Then, at the Press Start Button
screen, press L, Left, L, Right, L, Down, L, Up, R, Left, R, Right, R,
Down, R, Up on Controller D. If done correctly, you will hear a sound.

Random Mode
     Complete  the  game  on  Hard.  Then,  at  the Press Start Button
screen,  press  B,  Left,  X, Y, X, Y, B, A, B, A, Right, Left, Right,
Left on Controller D. If done correctly, you will hear a sound.