Dip-Switch Bank 6K:
1-3 = OFF
4 = ON
5 = OFF
6-7 = ON
8 = OFF

Rapid Fire P.C. Board:

Position A: Rapid Fire

Note: The above Dip Switches, are not only the FACTORY DEFAULT settings, but are also the correct Twin Galaxies Settings for this title and will provide the following settings;

3 Lives
Extra Ship @ 20k, 70k and every 70k thereafter.
Difficulty: Rank D

Special Rules: Useage of the trick to cause enemies to stop firing is banned. It has been deemed permissible for a player to intentionally play on the player 2 side so as to allow the millions-digit to show up in the final score.