| 13398 | Class 50 Fleet Manager | ZX-Spectrum 48K | English |
| 14040 | Class 50 Rover | ZX-Spectrum 48K | English |
| 35661 | Clive | ZX81 16K | English |
| 34695 | Clive's Realtime Advanced Prognosticator | ZX-Spectrum 48K | English |
| 34697 | Computalk | ZX81 16K | English |
| 19150 | Computer Nightmare | ZX-Spectrum 16K | English |
| 39451 | Conception | ZX81 1K | English |
| 26302 | Concorso Ippico | ZX-Spectrum 48K | Italian |
| 30575 | Conway's Death | ZX-Spectrum 16K | English |
| 10473 | Cornish Riviera | ZX-Spectrum 48K | English |
| 14042 | Cornish Venturer | ZX-Spectrum 48K | English |
| 19132 | Cowboy Shootout | ZX-Spectrum 16K | English |
| 13848 | Crewe Powerbox | ZX-Spectrum 48K | English |
| 28791 | Dallas | ZX81 16K | English |
| 14044 | Dam Busters | ZX-Spectrum 16K | English |
| 26439 | Dark Dimension | ZX-Spectrum 48K | Italian |
| 29428 | De Visser | ZX81 16K | Dutch |
| 21517 | Dealer | ZX-Spectrum 48K | Russian |
| 17490 | Deltic Fleet Manager | ZX-Spectrum 48K | English |
| 13212 | Depot Master Finsbury Park | ZX-Spectrum 48K | English |