| 20770 | Copyfitter | ZX-Spectrum 48K | English |
| 19971 | Copysoft | ZX-Spectrum 16K | English |
| 27063 | Coracle | ZX-Spectrum 48K | English |
| 28752 | Coral Basic Interpreter | ZX81 16K | English |
| 35816 | Corey Coolbrew | ZX-Spectrum 48K/128K | English |
| 2001234 | Corish's Computer Games Guide | - | English |
| 1068 | Corn Cropper | ZX-Spectrum 16K/48K | English |
| 25735 | Corner Checkers | ZX-Spectrum 16K | English |
| 9624 | Cornilius | ZX-Spectrum 48K | English |
| 10473 | Cornish Riviera | ZX-Spectrum 48K | English |
| 14042 | Cornish Venturer | ZX-Spectrum 48K | English |
| 36263 | Corona Capers | ZX-Spectrum 128K | English |
| 36556 | Corona-Chan's Existential Christmas Crisis | ZX-Spectrum 48K | English |
| 11615 | Corplan | ZX-Spectrum 48K | English |
| 6108 | Corporal Stone | ZX-Spectrum 48K | English |
| 21437 | Corrector | ZX-Spectrum 48K | English |
| 35591 | Correlation Coefficient | ZX-Spectrum 48K | English |
| 39967 | Correlation Coefficient and Regression Analysis | ZX81 16K | English |
| 44276 | Corridors | ZX-Spectrum 48K | English |
| 36349 | Corridors of Doom | ZX-Spectrum 48K | English |