Game Platforms



30 continues

Hold Select, press Run at the title screen, and wait until the phrase "Area 1" appears.

Unlimited continues

Enable the "30 continues" code. When the current game ends with 30 continues remaining, press Select, Select, then hold Select + Run until the game restarts.

16 lives, 36 bombs

Avoid and do not shoot the Boss at the end of any odd numbered level. After the Boss leaves, 16 lives, 36 bombs, and a double score will be awarded.

View ending sequence

Hold Right and quickly tap Run at the title screen.

Move select

Hold Select while tapping I, II repeatedly at the title screen. Press Select to choose between four difficulty levels. Begin game play by holding Run and press Select. Alternatively, enable the Turbo switches and press I + II to start the first part of the code.

Sound test

Hold Select and alternately tap Left, Right repeatedly until "Sound 01" appears.

Area 0, 30 continues

Enable the "Sound test" code. Press I, II, Select twenty two times. Then, hold Select + Run until gameplay begins.

Debug Mode

Enable the "Sound test" code. Press I, II then tap Select repeatedly until the debug screen appears. The following debug functions may now be enabled.

Level select

Enter 00 - 09 as a debug number.


Enter 77 as a debug number, then press Up, Down before exiting the debug screen.

Half game with many satellites

Enter 83 as a debug number.

Extra lives, bombs, and power

Enter the debug number for the desired level. Hold I + II and press Start to begin game play with 10 lives and 10 bombs. Additionally, you will continue from the previous location instead of the previous checkpoint after losing a life.