|PLAY INSTRUCTIONS :|
1. Destroy attacking UFO-s for points.
2. Round ends after seven sectors.
3. Faster ship speed awards higher bonus at end of round.
4. Extra points awarded for passing through gaps blown in targets.
5. Passing over black hole momentarily disables ship.
6. Avoid meteors. They are indestructible
7. Bonus ship awarded for outstanding play.
8. Point values increase with each round.
Game description from www.arcade-history.com