Astro Zone © 1980 Taito.
Shoot the aliens as they emerge on the screen.

Released in May 1980 in Japan.
| Frame 1 Spiraling Monsters | 20-80 pts. |
| Frame 2 Humanoid Monsters | 10-80 pts. |
| Frame 3 Stationary Monsters | 10 pts. |
| Frame 4 Spiraling Monsters | 80 pts. |
| Frame 5 Winged Monsters | 30 pts. |
| Frame 6 Splitting Monsters | 20-60 pts. |
| Hitting flying saucer in Frame 3 determines the point value of the rest of the Monsters of that flame. | |