| 6056 | The Calling | ZX-Spectrum 48K/128K | English |
| 2000858 | The Cambridge Collection | - | English |
| 6059 | The Canasto Rebellion | ZX-Spectrum 48K | English |
| 22463 | The Candidate | ZX-Spectrum 48K | English |
| 30903 | The Cannonball | - | English |
| 2000062 | The Cartoon Guide to Computer Science | - | English |
| 6962 | The Case of the Beheaded Smuggler | ZX-Spectrum 48K | English |
| 9583 | The Case of the Mixed-Up Shymer | ZX-Spectrum 48K | English |
| 6062 | The Case of the Obscene Mural | ZX-Spectrum 48K | English |
| 6064 | The Castle | ZX-Spectrum 48K | English |
| 6071 | The Castle | ZX-Spectrum 48K | English |
| 32145 | The Castle | ZX-Spectrum 48K | English |
| 42391 | The Castle | ZX-Spectrum 48K | English |
| 36496 | The Castle Of Dr Game | ZX-Spectrum 48K | English |
| 10465 | The Castle of Doom | ZX-Spectrum 48K | English |
| 28747 | The Castles of Carmain | ZX81 16K | English |
| 19425 | The Cataloguer | ZX-Spectrum 48K | English |
| 37653 | The Cave | ZX-Spectrum 48K | English |
| 35094 | The Cave of Magic: A Troll's Revenge | ZX-Spectrum 48K | English |
| 15150 | The Cavern | ZX-Spectrum 48K | English |