| | Golden Cue | 1998 | Sega | goldcue | | 0.00 |
| | Golden Tee '98 (v1.00) (clone of: gt98) | 1998 | Incredible Technologies | gt98v100 | Sports / Golf | 0.00 |
| | Golden Tee '98 (v1.00S) (clone of: gt98) | 1998 | Incredible Technologies | gt98s100 | Sports / Golf | 0.00 |
| | Golden Tee '98 (v1.10) | 1998 | Incredible Technologies | gt98 | Sports / Golf | 6.00 |
| | Golden Tee '98 Tournament (v3.03) (clone of: gt98) | 1998 | Incredible Technologies | gt98t303 | Sports / Golf | 0.00 |
| | Good (Korea) | 1998 | | good | | 0.00 |
 | Gourmet Battle Quiz Ryohrioh CooKing (Japan) | 1998 | Visco | ryorioh | Quiz / Japanese | 4.00 |
 | Gradius 4: Fukkatsu | 1998 | Konami | gradius4 | Unplayable | 8.22 |
| | Grand Prix '98 (V100K) | 1998 | Romtec Co. Ltd | gp98 | | 0.00 |
| | Great Escape Club (Maygay) (EPOCH) (1.9, set 3) (clone of: ep_geclb) | 1998 | Maygay | ep_geclbb | | 0.00 |
 | Groove on Fight - Gouketsuji Ichizoku 3 (J 970416 V1.001) | 1998 | Atlus | groovef | Fighter / Versus | 7.10 |
 | Guardian Force (JUET 980318 V0.105) | 1998 | Success | grdforce | Shooter / Flying Vertical | 6.60 |
 | Guardian Storm | 1998 | Afega (Apples Industries license) | grdnstrm | Shooter / Flying Vertical | 6.67 |
 | Gun Gabacho (Japan) (clone of: bang) | 1998 | Gaelco | bangj | Shooter / Gun | 0.00 |
 | Gunbird 2 | 1998 | Psikyo | gunbird2 | Shooter / Flying Vertical | 8.54 |
| | Gunmen Wars (GM1 Ver. A) | 1998 | Namco | gunwars | | 0.00 |
| | Hangman (JPM) | 1998 | JPM | hngmnjpm | | 6.00 |
| | Hangman (JPM) (Protocol) (clone of: hngmnjpm) | 1998 | JPM | hngmnjpmd | | 0.00 |
| | Heat of Eleven '98 (ver EAA) | 1998 | Konami | heatof11 | | 0.00 |
| | Hell Night (ver EAA) (clone of: evilngt) | 1998 | Konami | hellngt | | 0.00 |
