| Galaxy Fight - Universal Warriors P |
| GameGenie BIOS v0.45 (non-MAME) P |
| Ganryu (decrypted C) (non-MAME) |
| Ganryu / Musashi Ganryuki P |
| Garou - Mark of the Wolves (bootleg) |
| Garou - Mark of the Wolves (prototype) |
| Garou - Mark of the Wolves (set 1) P |
| Garou - Mark of the Wolves (set 2) |
| Garou: Mark of the Wolves (decrypted C) (non-MAME) |
| Ghost Pilots (set 1) P |
| Ghost Pilots (set 2) |
| Ghostlop (prototype) P |
| Goal! Goal! Goal! P |
| Gururin P |
