| 24828 | Cristobal Colon | ZX-Spectrum 48K | Spanish |
| 1158 | Critical Mass | ZX-Spectrum 48K | English |
| 11626 | Critical Path Analysis | ZX-Spectrum 48K | English |
| 26045 | Critical Path Analysis | ZX-Spectrum 48K | English |
| 39386 | Critters | ZX-Spectrum 48K | Czech |
| 7335 | Crocket's Theme | ZX-Spectrum 48K | English |
| 7336 | Crockett's Theme | ZX-Spectrum 48K | English |
| 14272 | Crokatile Walz | ZX-Spectrum 48K | English |
| 9639 | Crom | ZX-Spectrum 48K | English |
| 1160 | Cromwell at War 1642-1645 | ZX-Spectrum 48K | English |
| 21014 | Cronicas Arcanas | ZX-Spectrum 48K | Spanish |
| 26456 | Crono | ZX-Spectrum 48K | Italian |
| 18068 | Crono-Desp | ZX-Spectrum 48K | Spanish |
| 17177 | Cronos | ZX-Spectrum 48K | Spanish |
| 23570 | Cronosoft Chronicles Volume 1 | ZX-Spectrum 48K | English |
| 23571 | Cronosoft Chronicles Volume 2 | ZX-Spectrum 48K | English |
| 23572 | Cronosoft Chronicles Volume 3 | ZX-Spectrum 48K | English |
| 15916 | Crooked Adventure | ZX-Spectrum 48K | English |
| 42320 | Crooked POKES 1 | ZX-Spectrum 48K | Romanian |
| 42321 | Crooked POKES 2 | ZX-Spectrum 48K | Romanian |