| 4979 | Sub | ZX-Spectrum 16K | English |
| 4976 | Sub Hunter | ZX-Spectrum 48K | English |
| 10672 | Submarine Strike | ZX-Spectrum 48K | English |
| 17969 | Submarino | ZX-Spectrum 48K | Spanish |
| 24533 | Substrike | ZX-Spectrum 48K | English |
| 21268 | Subway | ZX-Spectrum 48K | Russian |
| 4989 | Suffrage? | ZX-Spectrum 48K | English |
| 45213 | Super Advanced Hoover Simulator | ZX-Spectrum Next | English |
| 5043 | Super Spekulant | ZX-Spectrum 48K | Polish |
| 5061 | SuperCom | ZX-Spectrum 48K | English |
| 31487 | Supermassive Black Hole SImulator | ZX-Spectrum 48K | English |
| 44061 | Superradio | ZX-Spectrum 48K | German |
| 19139 | Supersonic Bomber | ZX-Spectrum 16K | English |
| 5084 | Svemirska Prica | ZX-Spectrum 48K | Croatian |
| 38182 | Switchboard | ZX-Spectrum 48K | English |
| 23387 | Talisman | ZX-Spectrum 48K | English |
| 35663 | Tamagotchi 81 | ZX81 16K | English |
| 38902 | Tank Battle | ZX-Spectrum 48K | English |
| 14062 | Tees-Tyne Pullman | ZX-Spectrum 48K | English |
| 34778 | Test Match | ZX81 16K | English |