 | Galaga (Namco) (clone of: galaga) | 1981 | Namco | galagao | Shooter / Gallery | 0.00 |
 | Galaga 3 (rev. C) (clone of: gaplus) (sample of: gaplus) | 1984 | Namco | galaga3 | Shooter / Gallery | 0.00 |
| Galaga 3 (set 2) (clone of: gaplus) (sample of: gaplus) | 1984 | Namco | galaga3a | Shooter / Gallery | 0.00 |
| Galaga 3 (set 3) (clone of: gaplus) (sample of: gaplus) | 1984 | Namco | galaga3m | Shooter / Gallery | 0.00 |
 | Galaxian (Namco set 1) | 1979 | Namco | galaxian | Shooter / Gallery | 8.94 |
| Galaxian (Namco set 2) (clone of: galaxian) | 1979 | Namco | galaxiana | | 0.00 |
| | Galaxian 3 - Theater 6 : Project Dragoon | 1969 | Namco | gal3 | | 7.67 |
| Gaplus (alternate hardware) (clone of: gaplus) (sample of: gaplus) | 1984 | Namco | gaplusa | Shooter / Gallery | 0.00 |
| Gaplus (rev. B) (clone of: gaplus) (sample of: gaplus) | 1984 | Namco | gapluso | Shooter / Gallery | 0.00 |
| Gaplus (rev. D) (sample of: gaplus) | 1984 | Namco | gaplus | Shooter / Gallery | 8.58 |
 | Gee Bee (Japan) | 1978 | Namco | geebee | Breakout | 6.00 |
 | Genpei ToumaDen | 1986 | Namco | genpeitd | Platform / Fighter Scrolling | 7.75 |
 | Golly! Ghost! | 1990 | Namco | gollygho | Shooter / Gun | 7.00 |
 | Great Sluggers '94 | 1994 | Namco | gslgr94u | Sports / Baseball | 7.47 |
| Great Sluggers '94 (Japan) (clone of: gslgr94u) | 1994 | Namco | gslgr94j | | 0.00 |
 | Great Sluggers (Japan) | 1993 | Namco | gslugrsj | Sports / Baseball | 8.08 |
 | Grobda (New Ver.) | 1984 | Namco | grobda | Maze / Shooter Small | 0.00 |
| Grobda (Old Ver. set 1) (clone of: grobda) | 1984 | Namco | grobda2 | Maze / Shooter Small | 0.00 |
| Grobda (Old Ver. set 2) (clone of: grobda) | 1984 | Namco | grobda3 | Maze / Shooter Small | 0.00 |
 | Gun Bullet (Japan, GN1) (clone of: ptblank) | 1994 | Namco | gunbuletj | | 0.00 |
