| 13932 | S.E.M.I.S.I.S. | ZX-Spectrum 48K | Spanish |
| 30152 | S.I.P. | ZX-Spectrum 48K | English |
| 37678 | S.O.L.O. | ZX-Spectrum 48K/128K | Multi-language: English, Spanish |
| 16139 | S.O.S. | ZX-Spectrum 48K | Spanish |
| 16336 | S.O.S. | ZX-Spectrum 48K | Spanish |
| 18126 | S.O.S. | ZX-Spectrum 48K | Spanish |
| 40850 | SAM Defence | Sinclair QL | English |
| 28543 | SAM Strikes Out! | SAM Coupé | - |
| 25124 | SAS Assault | ZX-Spectrum 16K | English |
| 25610 | SAS Assault | ZX-Spectrum 48K | English |
| 9409 | SAS Combat Simulator | ZX-Spectrum 48K/128K | English |
| 4342 | SAS: Operation Thunderflash!! | ZX-Spectrum 48K | English |
| 39435 | SBOT | ZX-Spectrum 128K | Spanish |
| 17176 | SIDA | ZX-Spectrum 48K | Spanish |
| 33370 | SNUFFO | ZX-Spectrum 48K | English |
| 4651 | SOS | ZX-Spectrum 48K | English |
| 29718 | SOS Rescue | ZX-Spectrum 16K | English |
| 32204 | SQIJ 2018 | ZX-Spectrum 48K | English |
| 4793 | SQIJ! | ZX-Spectrum 48K | English |
| 35242 | SQIJ'D! | ZX-Spectrum 48K/128K | English |