| 7028 | Spyplane | ZX-Spectrum 48K | English |
| 7033 | Stalker | ZX-Spectrum 128K | English |
| 25384 | Stalker | ZX-Spectrum 48K | Czech |
| 7035 | Star Flaws | ZX-Spectrum 48K | English |
| 11424 | Star Quest | ZX-Spectrum 48K | English |
| 7036 | Star Reporter | ZX-Spectrum 48K | English |
| 35719 | Star Trek | ZX81 16K | English |
| 32141 | Starbase 13 | ZX-Spectrum 48K | English |
| 10245 | Starcrash | ZX-Spectrum 48K | English |
| 32421 | Starcross - Interlogic Science Fiction (ZxZvm) | ZX-Spectrum 128 +3 | English |
| 32422 | Stargazer - Prologue - An Adventure in Outfitting (ZxZvm) | ZX-Spectrum 128 +3 | English |
| 29655 | Starship Nova | ZX81 16K | English |
| 7038 | Starship Quest | ZX-Spectrum 48K/128K | English |
| 29403 | Starship Trojan | ZX81 16K | English |
| 37478 | Starting Next CSSCGC Server Simulator | ZX-Spectrum 16K | English |
| 10255 | Station 9-Zero Under Attack | ZX-Spectrum 48K | English |
| 32423 | Stationfall - A Science Fiction Story (ZxZvm) | ZX-Spectrum 128 +3 | English |
| 7047 | Stensontron | ZX-Spectrum 48K | Slovak |
| 10261 | Steve Silver Adventure 1 | ZX-Spectrum 48K | English |
| 10262 | Steve Silver Adventure 2 | ZX-Spectrum 48K | English |