| 18118 | Simplifica | ZX-Spectrum 48K | Spanish |
| 27193 | Simulacion de Empresas | ZX-Spectrum 48K | Spanish |
| 16561 | Simulacion de Orbitas Planetarias | ZX-Spectrum 48K | Spanish |
| 42094 | Simulador Logico | ZX-Spectrum 48K | Spanish |
| 14984 | Simulador de Control de Procesos | ZX-Spectrum 48K | Spanish |
| 38114 | Simulador de Raton | ZX-Spectrum 48K | Spanish |
| 38806 | Simulador de Voo (48K) | ZX-Spectrum 48K | Portuguese |
| 42117 | Simulador de Vuelo | ZX-Spectrum 48K | Spanish |
| 37011 | Simulateur De Vol | ZX-Spectrum 48K | French |
| 12301 | Simulation Hits | ZX-Spectrum 48K | Spanish |
| 43237 | Simulatore di porte logiche | ZX-Spectrum 48K | Italian |
| 19747 | Simulsolve | ZX-Spectrum 48K | English |
| 35347 | Sin Instrucciones | ZX-Spectrum 48K | Spanish |
| 27398 | Sinais de Transito | ZX-Spectrum 48K | Portuguese |
| 4517 | Sinbad | ZX-Spectrum 48K | English |
| 6976 | Sinbad and the Golden Ship | ZX-Spectrum 48K | English |
| 42506 | Sincircuit | ZX-Spectrum 48K | Italian |
| 8676 | Sinclair 128K to 8056 Serial Printer | ZX-Spectrum 48K | English |
| 44293 | Sinclair BASIC | ZX-Spectrum 48K | English |
| 9263 | Sinclair Basic Teacher | ZX-Spectrum 48K | Serbo-Croatian |