| Street Fighter II: The World Warrior (World 910214) (clone of: sf2) | 1991 | Capcom | sf2eb | Fighter / Versus | 0.00 |
| Street Fighter II: The World Warrior (World 910228) (clone of: sf2) | 1991 | Capcom | sf2ee | | 0.00 |
| Street Fighter II: The World Warrior (World 910522) | 1991 | Capcom | sf2 | Fighter / Versus | 8.46 |
| Streets of Rage (Mega-Tech) | 1991 | Sega | mt_srage | | 7.25 |
| Strike Fighter (Japan) | 1991 | Sega | strkfgtr | Shooter / Flying 1st Person | 7.00 |
| Strike Force (rev 1 02/25/91) | 1991 | Midway | strkforc | Shooter / Flying | 5.25 |
| Strike Gunner S.T.G | 1991 | Athena / Tecmo | stg | Shooter / Flying Vertical | 8.29 |
| Sunset Riders (2 Players ver ABD) (clone of: ssriders) | 1991 | Konami | ssridersabd | | 0.00 |
| Sunset Riders (2 Players ver EBC) (clone of: ssriders) | 1991 | Konami | ssridersebc | | 0.00 |
| Sunset Riders (2 Players ver EBD) (clone of: ssriders) | 1991 | Konami | ssridersebd | | 0.00 |
| Sunset Riders (2 Players ver JBD) (clone of: ssriders) | 1991 | Konami | ssridersjbd | | 0.00 |
| Sunset Riders (2 Players ver UBC) (clone of: ssriders) | 1991 | Konami | ssridersubc | | 0.00 |
| Sunset Riders (4 Players ver ADD) (clone of: ssriders) | 1991 | Konami | ssridersadd | | 0.00 |
| Sunset Riders (4 Players ver EAA) (clone of: ssriders) | 1991 | Konami | ssriderseaa | | 0.00 |
| Sunset Riders (4 Players ver EAC) | 1991 | Konami | ssriders | Platform / Shooter Scrolling | 8.30 |
| Sunset Riders (4 Players ver UAC) (clone of: ssriders) | 1991 | Konami | ssridersuac | | 0.00 |
| Sunset Riders (4 Players ver UDA) (clone of: ssriders) | 1991 | Konami | ssridersuda | | 0.00 |
| Sunset Riders (bootleg 4 Players ver ADD) (clone of: ssriders) | 1991 | bootleg | ssridersb | | 0.00 |
| Sunset Riders 2 (bootleg 4 Players ver ADD) (clone of: ssriders) | 1991 | bootleg | ssriders2 | | 0.00 |
| Super High Impact (prototype, rev 4.0 09/10/91) (clone of: shimpact) | 1991 | Midway | shimpactp4 | | 0.00 |