| | G Force (JPM) (IMPACT) | 1969 | JPM | j6gforce | | 0.00 |
| | G Force (JPM) (IMPACT) (15GBP Jackpot) (clone of: j6gforce) | 1969 | JPM | j6gforceb | | 0.00 |
 | G-Darius (Ver 2.01J) (clone of: gdarius2) | 1997 | Taito | gdarius | Shooter / Flying Horizontal | 8.89 |
| | G-Darius (Ver 2.02A) (clone of: gdarius2) | 1997 | Taito | gdariusb | Shooter / Flying Horizontal | 0.00 |
| | G-Darius Ver.2 (Ver 2.03J) | 1997 | Taito | gdarius2 | Shooter / Flying Horizontal | 5.92 |
| | G-LOC Air Battle (US) | 1990 | Sega | gloc | Shooter / Flying 1st Person | 7.92 |
| | G-LOC R360 (clone of: gloc) | 1990 | Sega | glocr360 | | 0.00 |
| | G-Stream G2020 | 2002 | Oriental Soft | gstream | | 7.00 |
| | G.E.A. | 1991 | Subsino | victor5 | | 0.00 |
| | G.I. Dough (Ace) (IMPACT) | 1969 | JPM | j6gidogh | | 0.00 |
 | G.I. Joe (Japan, JAA) (clone of: gijoe) | 1992 | Konami | gijoej | Shooter / 3rd Person | 0.00 |
| G.I. Joe (US, UAB) (clone of: gijoe) | 1992 | Konami | gijoeu | Shooter / 3rd Person | 0.00 |
| G.I. Joe (World, EAB, set 1) | 1992 | Konami | gijoe | Shooter / 3rd Person | 7.28 |
| G.I. Joe (World, EB8, prototype?) (clone of: gijoe) | 1992 | Konami | gijoea | | 0.00 |
 | Gaia Crusaders | 1999 | Noise Factory | gaia | Fighter / Versus | 8.83 |
 | Gaiapolis (ver EAF) | 1993 | Konami | gaiapols | Fighter / Vertical | 7.36 |
| Gaiapolis (ver JAF) (clone of: gaiapols) | 1993 | Konami | gaiapolsj | | 0.00 |
| Gaiapolis (ver UAF) (clone of: gaiapols) | 1993 | Konami | gaiapolsu | | 0.00 |
 | Gain Ground (Japan, 2 Players, Floppy Based, FD1094 317-0058-03b) (clone of: gground) | 1988 | Sega | ggroundj | | 0.00 |
| Gain Ground (World, 3 Players, Floppy Based, FD1094 317-0058-03d Rev A) | 1988 | Sega | gground | Shooter / Walking | 7.41 |
