| Title | Year | Genre |
|---|---|---|
| Skyfox II | ???? | Spaceship |
| Skyworker | ???? | Adventure |
| Slabs | ???? | Arcade |
| Slackskin & Flint | ???? | Arcade |
| Slam Raid | ???? | Shooter |
| Slam Tilt | ???? | Pinball |
| Slayer | ???? | Shooter |
| Slaygon | ???? | Adventure |
| Sleeping Gods Lie | ???? | Adventure |
| Sleepwalker | ???? | Platform |
| Slider | ???? | Puzzle |
| Sliding Skill | ???? | Arcade |
| Slightly Magic | ???? | Platform |
| Slip Stream | ???? | Action |
| Sly Spy Secret Agent | ???? | Action |
| Smarty and the Nasty Gluttons | ???? | Arcade |
| Smash | ???? | Tennis |
| Smash the Beast | ???? | Arcade |
| Smash TV | ???? | Action |
| Smus | ???? | Arcade |
| Snake | ???? | Arcade |
| Snakes and Ladders | ???? | Puzzle |
| Snapperazzi | ???? | Action |
| Snare | ???? | Arcade |
| Sneech | ???? | Arcade |
| Snoball in Hell | ???? | Breakout |
| Snoopy and Peanuts - The Case of the Lost Blanket | 1989 | Adventure |
| Snow Bros | ???? | Arcade |
| Snow Strike | ???? | Aerial fighting |
| Soccer Expert, The - Football Forecast Generator - Season 1994-95 | ???? | Soccer |
| Soccer Kid | ???? | Platform |
| Soccer King | ???? | Soccer |
| Soccer Manager Plus | ???? | Soccer |
| Soccer Pinball | ???? | Pinball |
| Soccer Rivals | ???? | Board game |
| Soccer Superstars | ???? | Soccer |
| Soccer Supremo | ???? | Soccer |
| Soccer Team Manager | ???? | Soccer |
| Soeldner | ???? | Strategy |
| Software Manager | ???? | Management |
| Soko | ???? | Puzzle |
| Sol Negro | ???? | Action |
| Solar System | ???? | Educational |
| Soldier 2000 | ???? | Action |
| Soldier of Light | ???? | Action |
| Solid Gold | ???? | Platform |
| Solitaire Royale | ???? | Cards |
| Solitaire's Journey | ???? | Cards |
| Solomon's Key 2 | ???? | Puzzle |
| Son Shu-Shi | ???? | Action |
