| 11351 | Simon Micro-Soft - Collection One | ZX-Spectrum 16K | English |
| 11352 | Simon Micro-Soft - Collection Two | ZX-Spectrum 16K | English |
| 42991 | Simon Says | ZX-Spectrum 16K | English |
| 30187 | Simple Silent Snake | ZX-Spectrum 16K | English |
| 30751 | Simplified Craps | ZX-Spectrum 16K | English |
| 18682 | Simultaneous Equations | ZX-Spectrum 16K | English |
| 36868 | Sinc 3D | ZX-Spectrum 16K | Italian |
| 19046 | Sinclair ZX Spectrum Test ROM | ZX-Spectrum 16K | English |
| 16097 | Sink the Bismarck | ZX-Spectrum 16K | English |
| 8681 | Sinti | ZX-Spectrum 16K | Serbian |
| 30752 | Sir Clive's Dragon Mission | ZX-Spectrum 16K | English |
| 4520 | Sir Lancelot | ZX-Spectrum 16K | English |
| 18423 | Sitting Target | ZX-Spectrum 16K | English |
| 19193 | Siverman the Sailor | ZX-Spectrum 16K | English |
| 9183 | Size Sorter | ZX-Spectrum 16K | English |
| 34882 | Skat 1984 | ZX-Spectrum 16K | Danish |
| 13262 | Skateboard Stuntman | ZX-Spectrum 16K | English |
| 42769 | Sketch | ZX-Spectrum 16K | English |
| 18397 | Sketch Pad | ZX-Spectrum 16K | English |
| 16742 | Sketch4 | ZX-Spectrum 16K | English |