| Short name | Description | Year | Manufacturer | Runnable | Parent |
|---|---|---|---|---|---|
| galaga3 | Galaga 3 (GP3 rev. D) | 1984 | Namco | Yes | gaplus |
| galaga3a | Galaga 3 (GP3 rev. C) | 1984 | Namco | Yes | gaplus |
| galaga3b | Galaga 3 (GP3) | 1984 | Namco | Yes | gaplus |
| galaga3c | Galaga 3 (set 4) | 1984 | Namco | Yes | gaplus |
| galaga3m | Galaga 3 (set 5) | 1984 | Namco | Yes | gaplus |
| gaplus | Gaplus (GP2 rev. B) | 1984 | Namco | Yes | |
| gaplusa | Gaplus (GP2) | 1984 | Namco | Yes | gaplus |
| gaplusd | Gaplus (GP2 rev D, alternate hardware) | 1984 | Namco | Yes | gaplus |
| gapluse | Gaplus (GP7) | 1984 | Namco | Yes | gaplus |
| gaplust | Gaplus (Tecfri PCB) | 1992 | bootleg (Tecfri) | Yes | gaplus |