Status: good
| Name | Description | Year | Manufacturer | Rom of | Clone of |
| viewpoin | Viewpoint | 1992 | Sammy / Aicom | neogeo | |
| viewpoinp | Viewpoint (prototype) | 1992 | Sammy / Aicom | viewpoin | viewpoin |
|
Status: imperfect
| Name | Description | Year | Manufacturer | Rom of | Clone of |
| futspy | Future Spy (315-5061) | 1984 | Sega | | |
| szaxxon | Super Zaxxon (315-5013) | 1982 | Sega | | |
| zaxxon | Zaxxon (set 1, rev D) | 1982 | Sega | | |
| zaxxon2 | Zaxxon (set 2, unknown rev) | 1982 | Sega | zaxxon | zaxxon |
| zaxxon3 | Zaxxon (set 3, unknown rev) | 1982 | Sega | zaxxon | zaxxon |
| zaxxonb | Jackson | 1982 | bootleg | zaxxon | zaxxon |
| zaxxonj | Zaxxon (Japan) | 1982 | Sega | zaxxon | zaxxon |
|