 | Gradius (PlayChoice-10, older) (clone of: pc_grdus) | 1986 | Konami | pc_grdue | Shooter / Flying Horizontal | 0.00 |
 | Gradius 4: Fukkatsu | 1998 | Konami | gradius4 | Unplayable | 8.22 |
 | Gradius II - GOFER no Yabou (Japan New Ver.) (clone of: vulcan) | 1988 | Konami | gradius2 | Shooter / Flying Horizontal | 0.00 |
| Gradius II - GOFER no Yabou (Japan Old Ver.) (clone of: vulcan) | 1988 | Konami | gradius2a | | 0.00 |
| Gradius II - GOFER no Yabou (Japan Older Ver.) (clone of: vulcan) | 1988 | Konami | gradius2b | | 0.00 |
 | Gradius III (Asia) (clone of: gradius3) | 1989 | Konami | gradius3a | | 0.00 |
| Gradius III (Japan, program code S) (clone of: gradius3) | 1989 | Konami | gradius3j | | 0.00 |
| Gradius III (World, program code R) | 1989 | Konami | gradius3 | Shooter / Flying Horizontal | 5.91 |
| | Graffiti (Barcrest) (MPU4) (set 1) | 1969 | Barcrest | m4graff | | 0.00 |
| | Graffiti (Barcrest) (MPU4) (set 2) (clone of: m4graff) | 1969 | Barcrest | m4graff__a | | 0.00 |
| | Graffiti (Barcrest) (MPU4) (set 3) (clone of: m4graff) | 1969 | Barcrest | m4graff__b | | 0.00 |
| | Grafitti (Barcrest) [Dutch] (MPU4) (clone of: m4graff) | 1969 | Barcrest | m4graffd | | 0.00 |
 | Gran Premio F1 (Italian bootleg of Pole Position II) (clone of: polepos2) | 1984 | bootleg | polepos2bi | | 0.00 |
| | Gran Tesoro? / Play 2000 (v4.0) (Italy) (clone of: grtesoro) | 1999 | Nova Desitec | grtesoro4 | | 0.00 |
| | Gran Tesoro? / Play 2000 (v5.01) (Italy) | 1999 | Nova Desitec | grtesoro | | 0.00 |
| | Grand Blaster Cash (Mazooma) (Scorpion 4) (set 1) | 1969 | Mazooma | sc4gcb | | 0.00 |
| | Grand Blaster Cash (Mazooma) (Scorpion 4) (set 10) (clone of: sc4gcb) | 1969 | Mazooma | sc4gcbi | | 0.00 |
| | Grand Blaster Cash (Mazooma) (Scorpion 4) (set 11) (clone of: sc4gcb) | 1969 | Mazooma | sc4gcbj | | 0.00 |
| | Grand Blaster Cash (Mazooma) (Scorpion 4) (set 2) (clone of: sc4gcb) | 1969 | Mazooma | sc4gcba | | 0.00 |
| | Grand Blaster Cash (Mazooma) (Scorpion 4) (set 3) (clone of: sc4gcb) | 1969 | Mazooma | sc4gcbb | | 0.00 |
