| 27330 | Crime Quiz | ZX-Spectrum 128K | English |
| 27240 | Crime Screen | ZX-Spectrum 128K | English |
| 1154 | Crimebusters inc. | ZX-Spectrum 48K | English |
| 18344 | Crisis Countdown | ZX-Spectrum 48K | English |
| 7179 | Crisis at Christmas | ZX-Spectrum 48K | English |
| 31264 | Crisp Snatcher | - | English |
| 1158 | Critical Mass | ZX-Spectrum 48K | English |
| 11626 | Critical Path Analysis | ZX-Spectrum 48K | English |
| 29171 | Critical Path Analysis | ZX81 16K | English |
| 26045 | Critical Path Analysis | ZX-Spectrum 48K | English |
| 31926 | CroZXy Road | ZX81 16K | English |
| 31224 | Croc Jump | - | English |
| 7335 | Crocket's Theme | ZX-Spectrum 48K | English |
| 7336 | Crockett's Theme | ZX-Spectrum 48K | English |
| 22195 | Crockett's Theme | ZX-Spectrum 128K | English |
| 14272 | Crokatile Walz | ZX-Spectrum 48K | English |
| 9639 | Crom | ZX-Spectrum 48K | English |
| 1160 | Cromwell at War 1642-1645 | ZX-Spectrum 48K | English |
| 23570 | Cronosoft Chronicles Volume 1 | ZX-Spectrum 48K | English |
| 23571 | Cronosoft Chronicles Volume 2 | ZX-Spectrum 48K | English |