 | Spinal Breakers (Japan) (clone of: spinlbrk) | 1990 | V-System Co. | spinlbrkj | | 0.00 |
| Spinal Breakers (US) (clone of: spinlbrk) | 1990 | V-System Co. | spinlbrku | | 0.00 |
| Spinal Breakers (World) | 1990 | V-System Co. | spinlbrk | Shooter / 3rd Person | 6.00 |
| | Spot (Arcadia) | 1990 | Arcadia Systems | ar_spot | Unplayable | 0.00 |
| | SSI Poker (v4.0) (clone of: ssipkr24) | 1990 | SSI | ssipkr40 | | 0.00 |
 | Star Fighter (v1) | 1990 | SunA | starfigh | Shooter / Gallery | 6.00 |
| | Star Trax (domestic prototype) | 1990 | Williams | strax_p7 | | 0.00 |
 | Steel Gunner | 1990 | Namco | sgunner | Shooter / Gun | 4.67 |
| Steel Gunner (Japan) (clone of: sgunner) | 1990 | Namco | sgunnerj | Shooter / Gun | 10.00 |
 | Strata Bowling (V1) (clone of: stratab) | 1990 | Strata/Incredible Technologies | stratab1 | Sports / Bowling | 0.00 |
| Strata Bowling (V3) | 1990 | Strata/Incredible Technologies | stratab | Sports / Bowling | 7.50 |
| | Success Joe (World) | 1990 | Wave / Taito Corporation | scessjoe | | 4.89 |
 | Super Burger Time (Japan) (clone of: supbtime) | 1990 | Data East Corporation | supbtimej | | 0.00 |
| Super Burger Time (World, set 1) | 1990 | Data East Corporation | supbtime | Platform / Run Jump | 6.54 |
| Super Burger Time (World, set 2) (clone of: supbtime) | 1990 | Data East Corporation | supbtimea | | 0.00 |
 | Super Buster Bros. (US 901001) (clone of: spang) | 1990 | Mitchell (Capcom license) | sbbros | Shooter / Gallery | 0.00 |
 | Super C (PlayChoice-10) | 1990 | Konami (Nintendo of America license) | pc_suprc | Platform / Shooter Scrolling | 10.00 |
| | Super Lucky Roulette | 1990 | bootleg | roul | | 0.00 |
 | Super Marukin-Ban (Japan 901017) | 1990 | Yuga | marukin | Tabletop / Mahjong *Mature* | 9.50 |
 | Super Monaco GP (Mega-Tech) | 1990 | Sega | mt_smgp | Driving / Race 1st Person | 0.00 |
