 | Saint Dragon (set 2) (clone of: stdragon) | 1989 | Jaleco | stdragona | | 0.00 |
 | Same! Same! Same! (1P set) (clone of: fireshrk) | 1989 | Toaplan | samesame | Shooter / Flying Vertical | 0.00 |
| Same! Same! Same! (2P set) (clone of: fireshrk) | 1989 | Toaplan | samesame2 | | 0.00 |
 | SAR - Search And Rescue (Japan) (clone of: searchar) | 1989 | SNK | searcharj | | 0.00 |
| SAR - Search And Rescue (US) (clone of: searchar) | 1989 | SNK | searcharu | | 0.00 |
| SAR - Search And Rescue (World) | 1989 | SNK | searchar | Shooter / Walking | 6.75 |
 | Scandal Mahjong (Japan 890213) | 1989 | Nichibutsu | scandal | Tabletop / Mahjong *Mature* | 10.00 |
| Scandal Mahjong [BET] (Japan 890217) (clone of: scandal) | 1989 | Nichibutsu | scandalm | Tabletop / Mahjong *Mature* | 0.00 |
 | Secret Agent (bootleg) (clone of: slyspy) | 1989 | bootleg | secretab | Platform / Shooter Scrolling | 0.00 |
| Secret Agent (World) (clone of: slyspy) | 1989 | Data East Corporation | secretag | Platform / Shooter Scrolling | 0.00 |
 | Shadow Dancer (bootleg) (clone of: shdancer) | 1989 | bootleg | shdancbl | Platform / Fighter Scrolling | 0.00 |
| Shadow Dancer (Japan) (clone of: shdancer) | 1989 | Sega | shdancerj | | 0.00 |
| Shadow Dancer (US) (clone of: shdancer) | 1989 | Sega | shdancer1 | | 0.00 |
| Shadow Dancer (World) | 1989 | Sega | shdancer | Platform / Fighter Scrolling | 7.77 |
 | Shanghai II (Japan) | 1989 | Sunsoft | shangha2 | Puzzle / Match | 0.00 |
| | Shisensho - Joshiryo-Hen (Japan) (clone of: matchit) | 1989 | Tamtex | shisen | Puzzle / Match *Mature* | 0.00 |
 | Sichuan II (hack, set 1) (clone of: matchit) | 1989 | hack | sichuan2 | Puzzle / Match *Mature* | 10.00 |
| | Sichuan II (hack, set 2) (clone of: matchit) | 1989 | hack | sichuan2a | | 0.00 |
 | Skull & Crossbones (rev 1) (clone of: skullxbo) | 1989 | Atari Games | skullxbo1 | | 0.00 |
| Skull & Crossbones (rev 2) (clone of: skullxbo) | 1989 | Atari Games | skullxbo2 | | 0.00 |
