| bfgalaga | | Galaga (mini arcade) | Basic Fun | 2017 |
| galaga | | Galaga (Namco rev. B) | Namco | 1981 |
| galaga3 | gaplus | Galaga 3 (GP3 rev. D) | Namco | 1984 |
| galaga3a | gaplus | Galaga 3 (GP3 rev. C) | Namco | 1984 |
| galaga3b | gaplus | Galaga 3 (GP3) | Namco | 1984 |
| galaga3c | gaplus | Galaga 3 (set 4) | Namco | 1984 |
| galaga3m | gaplus | Galaga 3 (set 5) | Namco | 1984 |
| galaga88 | | Galaga '88 | Namco | 1987 |
| galaga88a | galaga88 | Galaga '88 (02-03-88) | Namco | 1987 |
| galaga88j | galaga88 | Galaga '88 (Japan) | Namco | 1987 |
| galagamf | galaga | Galaga (Midway set 1 with fast shoot hack) | Namco (Midway license) | 1981 |
| galagamk | galaga | Galaga (Midway set 2) | Namco (Midway license) | 1981 |
| galagamw | galaga | Galaga (Midway set 1) | Namco (Midway license) | 1981 |
| galagao | galaga | Galaga (Namco) | Namco | 1981 |
| gallag | galaga | Gallag | bootleg | 1982 |
| gallag50 | | Gallag Video Game / Petalouda (Butterfly, x50) | bootleg | 199? |
| mygalaga | mygalag | My Arcade Galaga (DGUNL-4199, Pocket Player Pro) | dreamGEAR | 2021 |
| tagalaga | | Galaga (Tiny Arcade) | Super Impulse | 2017 |
