| 4621 | Software Star | ZX-Spectrum 48K | English |
| 7004 | Sonar Salvage | ZX-Spectrum 48K | English |
| 10210 | Space Crystal | ZX-Spectrum 48K | English |
| 45080 | Space Merchant | ZX-Spectrum 48K | English |
| 19122 | Space Mines | ZX-Spectrum 16K | English |
| 13058 | Space Trade | ZX-Spectrum 48K | Russian |
| 26757 | Space Trader | ZX-Spectrum 48K | English |
| 4715 | Spectrealm | ZX-Spectrum 48K | English |
| 36985 | Spectrumland | ZX-Spectrum 48K | Italian |
| 4804 | Stadhouder van Flipflopland | ZX-Spectrum 48K | Dutch |
| 28879 | Stadhouder van Flipflopland | ZX81 16K | Dutch |
| 4833 | Star Trader | ZX-Spectrum 48K | English |
| 4834 | Star Trader | ZX-Spectrum 48K | English |
| 29336 | Star Trek | ZX81 16K | English |
| 29332 | Star-Trail | ZX81 16K | English |
| 23818 | Starmaker | ZX-Spectrum 48K | English |
| 29330 | Starquest | ZX81 16K | English |
| 4875 | Starring Charlie Chaplin | ZX-Spectrum 48K | English |
| 35492 | Stavba pyramidy | ZX-Spectrum 48K | Czech |
| 20567 | Stock Broker | ZX-Spectrum 48K | English |