Press II five times, I six times, Select, Select at the title screen. Then, enter one of the following codes to begin game play at the corresponding level.

Level Password
2 Hold I and press Run
3 Hold II and press Run
4 Hold I + II and press Run
5 Hold Select and press Run
6 Hold I + Select and press Run
7 Hold II + Select and press Run
8 Hold I + II + Select and press Run