| Sinclair ZX Spectrum cass. |  Sigma 7 | 1989 | Encore 012189 |
| Sinclair ZX Spectrum cass. |  Silkworm | 1989 | Virgin Games, Ltd. UK 013715 |
| Sinclair ZX Spectrum cass. |  Silkworm Model SE 539 | 1989 | Erbe Soft. Spain |
| Sinclair ZX Spectrum cass. | Sinclair Action Pack | 1989 | Sinclair Research, Ltd. |
| Sinclair ZX Spectrum cass. | Sinclair Action Pack - Lightgun Games | 1989 | Virgin Mastertronic, Ltd. UK |
| Sinclair ZX Spectrum cass. | Skate Crazy Model 545614 | 1989 | Kixx 013442 |
| Sinclair ZX Spectrum cass. | Skate or Die | 1989 | Electronic Arts CA, USA 14633 |
| Sinclair ZX Spectrum cass. | Skateboard Joust | 1989 | Silverbird Soft. 012439 |
| Sinclair ZX Spectrum cass. | Skatin' USA Model AT 358X | 1989 | Atlantis Soft. |
| Sinclair ZX Spectrum cass. | Snoball in Hell Model AT 357X | 1989 | Atlantis Soft. |
| Sinclair ZX Spectrum cass. | Snooker Management | 1989 | D & H Games |
| Sinclair ZX Spectrum cass. | Snooker Manager | 1989 | Image Soft. |
| Sinclair ZX Spectrum cass. | Soccer 7 Model S7 | 1989 | Cult |
| Sinclair ZX Spectrum cass. | Soccer Q Model SQ | 1989 | Cult |
| Sinclair ZX Spectrum cass. | Soccer Rematch | 1989 | Lambourne Games |
| Sinclair ZX Spectrum cass. | Soccer Spectacular | 1989 | Beau-Jolly, Ltd. |
| Sinclair ZX Spectrum cass. | Soccer Star Model SS | 1989 | Cult |
| Sinclair ZX Spectrum cass. | Sol Negro | 1989 | Opera Soft. Spain |
| Sinclair ZX Spectrum cass. | Soldier of Light | 1989 | RAD UK |
| Sinclair ZX Spectrum cass. | Solo | 1989 | Opera Soft. Spain |
| Sinclair ZX Spectrum cass. | Solomon's Key P | 1989 | Kixx 013442 |
| Sinclair ZX Spectrum cass. | Space Detective II - Home Run | 1989 | Celerysoft |
| Sinclair ZX Spectrum cass. | Space Racer | 1989 | Proein Soft Line Spain |
| Sinclair ZX Spectrum cass. | Space Smugglers | 1989 | MHT Ingenieros Spain |
| Sinclair ZX Spectrum cass. | Special Action | 1989 | Ocean Soft., Ltd. 13156 |
| Sinclair ZX Spectrum cass. | Speedboat Assassins Model IS 0303 | 1989 | Mastertronic Plus UK 012967 |
| Sinclair ZX Spectrum cass. | Spherical | 1989 | Rainbow Arts |
| Sinclair ZX Spectrum cass. | Spherical | 1989 | Top Shots |
| Sinclair ZX Spectrum cass. | Spi-Droid | 1989 | Vinsoft |
| Sinclair ZX Spectrum cass. | Spitfire | 1989 | Encore 012189 |
| Sinclair ZX Spectrum cass. | Spitfire '40 Model AS350 | 1989 | Alternative Soft., Ltd. |
| Sinclair ZX Spectrum cass. | Spooked | 1989 | Players Premier |
| Sinclair ZX Spectrum cass. | Sporting Triangles | 1989 | CDS Soft., Ltd. |
| Sinclair ZX Spectrum cass. | Sports Collection 04: World Series Baseball | 1989 | Hit Squad, The UK 13156 |
| Sinclair ZX Spectrum cass. | Spy Hunter Model 539682 | 1989 | Kixx 013442 |
| Sinclair ZX Spectrum cass. | Star Wars - Return of the Jedi Model 339-5 | 1989 | Domark Group, Ltd. |
| Sinclair ZX Spectrum cass. | Starship Quest | 1989 | FSF Adventures |
| Sinclair ZX Spectrum cass. | Stormlord Model 010724 | 1989 | Hewson Consultants, Ltd. England 012635 |
| Sinclair ZX Spectrum cass. | Street Cred Boxing | 1989 | Players Premier |
| Sinclair ZX Spectrum cass. | Street Cred Football | 1989 | Players Premier |
