| Title | Year | Genre |
|---|---|---|
| Sink or Swim | ???? | Puzzle |
| Sir Ababol | ???? | Platform |
| Sir Fred The Legend | ???? | Action |
| Sir Losealot | 1998 | Platform |
| Six-Foot-Tall Man-Eating Chicken, The | 1999 | Adventure |
| Sixiang | ???? | Puzzle |
| Skaermtrolden Hugo | ???? | Arcade |
| Skaerry House of Horror | 1993 | Adventure |
| Skan 29 | ???? | Platform |
| Skarabeusz | ???? | Puzzle |
| Skarb Templariuszy | ???? | Adventure |
| Skarbnik | ???? | Adventure |
| Skat Deluxe | ???? | Cards |
| Skat Royal | ???? | Cards |
| Skate of the Art | ???? | Skateboarding |
| Skeleton Krew | ???? | Action |
| Ski or Die | ???? | Skiing |
| Skiddy Things Battle Mode | 1996 | Fighting |
| Skidmarks | ???? | Racing |
| Skidoo | ???? | Racing |
| Skidz | ???? | Sports |
| Skrull | ???? | Action |
| Skull & Crossbones | ???? | Action |
| Skweek | ???? | Arcade |
| Sky Ace | ???? | Shooter |
| Sky Cabbie | ???? | Arcade |
| Sky Chase | ???? | Action |
| Sky Fight 2 | 1988 | Shooter |
| Sky Fighter | ???? | Shooter |
| Sky Flyer | 1992 | Shooter |
| Sky Flyer II | ???? | Shooter |
| Sky High Stuntman | ???? | Shooter |
| Skyblaster | ???? | Action |
| Skyfox | ???? | Action |
| Skyfox II | ???? | Spaceship |
| Skyworker | ???? | Adventure |
| Slabs | ???? | Arcade |
| Slackskin & Flint | ???? | Arcade |
| Slalom | 1997 | Skiing |
| Slalom Speciale | 1997 | Skiing |
| Slam Ball | 1993 | Adventure |
| Slam Raid | ???? | Shooter |
| Slam Tilt | ???? | Pinball |
| Slayer | ???? | Shooter |
| Slaygon | ???? | Adventure |
| Sleeping Gods Lie | ???? | Adventure |
| Sleepwalker | ???? | Platform |
| Slide-It II | ???? | Puzzle |
| Slider | ???? | Puzzle |
| Slider | ???? | Puzzle |
