 | Great Mahou Daisakusen (Japan 000121) (clone of: dimahoo) | 2000 | Eighting / Raizing (Capcom license) | gmahou | Shooter / Flying Vertical | 0.00 |
 | Great Sluggers '94 | 1994 | Namco | gslgr94u | Sports / Baseball | 8.35 |
| Great Sluggers '94 (Japan) (clone of: gslgr94u) | 1994 | Namco | gslgr94j | | 0.00 |
 | Great Sluggers (Japan) | 1993 | Namco | gslugrsj | Sports / Baseball | 8.54 |
 | Great Soccer (Mega-Tech, SMS based) | 1969 | Sega | mt_gsocr | Sports / Soccer | 1.00 |
 | Great Swordsman (Japan?) (clone of: gsword) | 1984 | Taito Corporation | gsword2 | | 0.00 |
| Great Swordsman (World?) | 1984 | Taito Corporation | gsword | Sports | 7.00 |
| | Great Train Robbery (Bellfruit) (Scorpion 2/3) | 1969 | BFM | sc2gtr | | 0.00 |
| | Greed (Global) (EPOCH) (1.3, set 1) | 1969 | Global | ep_greed | | 0.00 |
| | Greed (Global) (EPOCH) (1.3, set 2) (clone of: ep_greed) | 1969 | Global | ep_greeda | | 0.00 |
| | Greedy Gonzalez (Bellfruit) (Scorpion 4) (set 1) | 1969 | BFM | sc4greed | | 0.00 |
| | Greedy Gonzalez (Bellfruit) (Scorpion 4) (set 2) (clone of: sc4greed) | 1969 | BFM | sc4greeda | | 0.00 |
| | Greek Skill (Hitech Amusement) | 1969 | Hitech Amusement | m1gskill | | 0.00 |
 | Green Beret | 1985 | Konami | gberet | Platform / Shooter Scrolling | 9.54 |
| Green Beret (bootleg) (clone of: gberet) | 1985 | bootleg | gberetb | Platform / Shooter Scrolling | 0.00 |
 | Green Beret (Irem) (sample of: ipminvad) | 1980 | Irem | greenber | Unplayable | 4.00 |
| | Grid Runner (Global) (EPOCH) (set 1) | 1969 | Global | ep_grun | | 0.00 |
| | Grid Runner (Global) (EPOCH) (set 2) (clone of: ep_grun) | 1969 | Global | ep_gruna | | 0.00 |
| | Grid Runner Club (Global) (EPOCH) (set 1) | 1969 | Global | ep_grncl | | 10.00 |
| | Grid Runner Club (Global) (EPOCH) (set 2) (clone of: ep_grncl) | 1969 | Global | ep_grncla | | 0.00 |
