| | Four Roses (encrypted, set 1) | 1999 | | 4roses | | 0.00 |
| | Four Roses (encrypted, set 2) (clone of: 4roses) | 1999 | | 4rosesa | | 0.00 |
 | Funny Bubble | 1999 | In Chang Electronic Co | funybubl | Puzzle / Toss *Mature* | 5.17 |
| Funny Bubble (Comad version) (clone of: funybubl) | 1999 | Comad | funybublc | | 0.00 |
| | Funny Land de Luxe | 1999 | Stella | funlddlx | | 0.00 |
 | Gaia Crusaders | 1999 | Noise Factory | gaia | Fighter / Versus | 8.15 |
| | Gallop Racer 3 (Japan) | 1999 | Tecmo | glpracr3 | Sports / Horse Racing | 7.50 |
 | Gals Panic S2 (Asia) (clone of: galpans2) | 1999 | Kaneko | galpans2a | | 0.00 |
| Gals Panic S2 (Japan) | 1999 | Kaneko | galpans2 | Puzzle / Outline *Mature* | 8.19 |
| Gals Panic SU (Korea) (clone of: galpans2) | 1999 | Kaneko | galpansu | | 0.00 |
 | Ganryu / Musashi Ganryuki | 1999 | Visco | ganryu | Platform / Fighter Scrolling | 9.27 |
 | Garou - Mark of the Wolves (bootleg) (clone of: garou) | 1999 | bootleg | garoubl | | 0.00 |
| Garou - Mark of the Wolves (NGM-2530) | 1999 | SNK | garou | Fighter / Versus | 9.02 |
| Garou - Mark of the Wolves (NGM-2530)(NGH-2530) (clone of: garou) | 1999 | SNK | garouh | | 0.00 |
| Garou - Mark of the Wolves (prototype) (clone of: garou) | 1999 | SNK | garoup | Fighter / Versus | 0.00 |
| | Gauntlet Dark Legacy (version DL 2.4) (clone of: gauntdl) | 1999 | Midway Games | gauntdl24 | | 0.00 |
| | Gauntlet Dark Legacy (version DL 2.52) | 1999 | Midway Games | gauntdl | Maze / Shooter Large | 8.20 |
| | Ghoul Panic (Asia, OB2/VER.A) | 1999 | Eighting / Raizing / Namco | ghlpanic | | 9.00 |
| | Giant Gram: All Japan Pro Wrestling 2 (JPN, USA, EXP, KOR, AUS) | 1999 | Sega | ggram2 | | 0.00 |
 | Giga Wing (Asia 990222) (clone of: gigawing) | 1999 | Takumi (Capcom license) | gigawinga | | 0.00 |
