Level select
Power on the system, then hold Run and press Select ten times. Enter one of the following codes at the title screen to begin game play at the corresponding level.
Level Code
2 Up + Select + Run
3 Right + Select + Run
4 Down + Select + Run
5 Left + Select + Run
6 Up + Right + Select + Run
Sound test
Power on the system, then hold Run and press Select ten times. Then, hold Select and press Run at the title screen.
