Cheat menu:
Pause game play and press A + B, C(2), A(2), B(2), B + C.
Invincibility:
Pause game play and press A + B, A + B, C, A, Right(2), Left, Right.
View map:
Pause game play and press A + B, C(3), A, B(3).
Continue:
Pause game play and press A + Down, A + Down, A + Left, A + Right...