| Explorer (clone of: scramble) | 1981 | bootleg | explorer | Shooter / Flying Horizontal | 0.00 |
| Exzisus (Japan, dedicated) | 1987 | Taito Corporation | exzisus | Shooter / Flying Horizontal | 7.50 |
| Fantastic Journey (ver EAA) | 1994 | Konami | fantjour | Shooter / Flying Horizontal | 8.50 |
| Forgotten Worlds (World) | 1988 | Capcom | forgottn | Shooter / Flying Horizontal | 6.57 |
| 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 |
| Gallop - Armed Police Unit (Japan) (clone of: cosmccop) | 1991 | Irem | gallop | Shooter / Flying Horizontal | 0.00 |
| Genshi-Tou 1930's (clone of: prehisle) | 1989 | SNK | gensitou | Shooter / Flying Horizontal | 0.00 |
| Gigandes | 1989 | East Technology | gigandes | Shooter / Flying Horizontal | 0.00 |
| Gokujyou Parodius (ver JAD) (clone of: fantjour) | 1994 | Konami | gokuparo | Shooter / Flying Horizontal | 8.46 |
| Gradius (Japan, ROM version) (clone of: nemesis) | 1985 | Konami | gradius | Shooter / Flying Horizontal | 0.00 |
| Gradius (PlayChoice-10) | 1986 | Konami | pc_grdus | Shooter / Flying Horizontal | 0.00 |
| Gradius (PlayChoice-10, older) (clone of: pc_grdus) | 1986 | Konami | pc_grdue | Shooter / Flying Horizontal | 0.00 |
| Gradius II - GOFER no Yabou (Japan New Ver.) (clone of: vulcan) | 1988 | Konami | gradius2 | Shooter / Flying Horizontal | 0.00 |
| Gradius III (World, program code R) | 1989 | Konami | gradius3 | Shooter / Flying Horizontal | 5.94 |
| Gratia - Second Earth (91022-10 version) (clone of: gratia) | 1996 | Jaleco | gratiaa | Shooter / Flying Horizontal | 0.00 |
| Gratia - Second Earth (92047-01 version) | 1996 | Jaleco | gratia | Shooter / Flying Horizontal | 8.00 |
| Hacha Mecha Fighter (19th Sep. 1991) | 1991 | NMK | hachamf | Shooter / Flying Horizontal | 5.77 |
| Hellfire (2P set) | 1989 | Toaplan (Taito license) | hellfire | Shooter / Flying Horizontal | 8.50 |