| 24763 | Signos | ZX-Spectrum 48K | Spanish |
| 401 | Silver Gun | ZX-Spectrum 48K/128K | Spanish |
| 16883 | Silversword: La Espada de Plata | ZX-Spectrum 48K | Spanish |
| 18186 | Simetria | ZX-Spectrum 48K | Spanish |
| 44893 | Simo | ZX-Spectrum 16K | Spanish |
| 17043 | Simon | ZX-Spectrum 16K | Spanish |
| 24406 | Simon | ZX-Spectrum 16K | Spanish |
| 38136 | Simon | ZX-Spectrum 16K/48K | Spanish |
| 18243 | Simon | ZX-Spectrum 48K | Spanish |
| 18456 | Simon | ZX-Spectrum 16K | Spanish |
| 26201 | Simon | ZX-Spectrum 48K/128K | Spanish |
| 16228 | Simon [1] | ZX-Spectrum 48K | Spanish |
| 16418 | Simon [2] | ZX-Spectrum 48K | Spanish |
| 18118 | Simplifica | ZX-Spectrum 48K | Spanish |
| 27193 | Simulacion de Empresas | ZX-Spectrum 48K | Spanish |
| 16561 | Simulacion de Orbitas Planetarias | ZX-Spectrum 48K | Spanish |
| 43025 | Simulador | ZX-Spectrum 16K/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 |