 | Giga Wing (Brazil 990222) (clone of: gigawing) | 1999 | Takumi (Capcom license) | gigawingb | | 0.00 |
| Giga Wing (Hispanic 990222) (clone of: gigawing) | 1999 | Takumi (Capcom license) | gigawingh | | 0.00 |
| Giga Wing (Japan 990223 Phoenix Edition) (bootleg) (clone of: gigawing) | 1999 | bootleg | gigawingjd | | 0.00 |
| Giga Wing (Japan 990223) (clone of: gigawing) | 1999 | Takumi (Capcom license) | gigawingj | | 0.00 |
| Giga Wing (USA 990222 Phoenix Edition) (bootleg) (clone of: gigawing) | 1999 | bootleg | gigawingd | | 0.00 |
| Giga Wing (USA 990222) | 1999 | Takumi (Capcom license) | gigawing | Shooter / Flying Vertical | 9.07 |
| | Go By RC (V2.03O) | 1999 | Taito | gobyrc | | 0.00 |
| | Golden Tee '99 (v1.00) | 1999 | Incredible Technologies | gt99 | Sports / Golf | 0.00 |
| | Golden Tee '99 (v1.00S) (clone of: gt99) | 1999 | Incredible Technologies | gt99s100 | Sports / Golf | 0.00 |
| | Golden Tee '99 Tournament (v4.00) (clone of: gt99) | 1999 | Incredible Technologies | gt99t400 | Sports / Golf | 0.00 |
| | Golden Tee Royal Edition Tournament (v4.02) (clone of: gt99) | 1999 | Incredible Technologies | gtroyal | | 0.00 |
 | Golgo 13 (Japan, GLG1/VER.A) | 1999 | Eighting / Raizing / Namco | golgo13 | Misc. | 7.50 |
| | Golgo 13 Kiseki no Dandou (Japan, GLS1/VER.A) | 1999 | Eighting / Raizing / Namco | g13knd | | 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 Cherry Master (bootleg of Super Cherry Master) (clone of: unkch1) | 1999 | bootleg | unkch4 | | 0.00 |
| | Great Escape Club (Maygay) (EPOCH) (1.C, set 1) | 1999 | Maygay | ep_geclb | | 0.00 |
| | Great Escape Club (Maygay) (EPOCH) (1.C, set 2) (clone of: ep_geclb) | 1999 | Maygay | ep_geclba | | 0.00 |
| | Guitar Freaks (GQ886 VER. AAC) (clone of: gtrfrks) | 1999 | Konami | gtrfrksa | | 0.00 |
| | Guitar Freaks (GQ886 VER. EAC) | 1999 | Konami | gtrfrks | | 6.00 |
