| 37735 | Crown of the Mountain King | ZX-Spectrum 48K | English |
| 44929 | Cruce | ZX-Spectrum 16K | Spanish |
| 1174 | Cruising on Broadway | ZX-Spectrum 16K | English |
| 26452 | Crunch | ZX-Spectrum 48K | Italian |
| 43806 | Crunchy Muncher | ZX-Spectrum 16K/48K | English |
| 25434 | Crusher | ZX-Spectrum 48K | English |
| 12795 | Crusher | ZX-Spectrum 128K | English |
| 28786 | Cruzia | ZX81 2K | Dutch |
| 40277 | Cryonics Cars | ZX-Spectrum 48K | English |
| 36484 | Cube Crawler | Sinclair QL | English |
| 1185 | Cubey | ZX-Spectrum 48K | English |
| 42549 | Cubit | ZX-Spectrum 16K/48K | English |
| 44487 | Cubix | ZX-Spectrum 128K | English |
| 24067 | Cuco | ZX-Spectrum 48K | Spanish |
| 14043 | Cuddly Cuburt | ZX-Spectrum 48K | English |
| 1188 | Curro Jimenez | ZX-Spectrum 48K/128K | Spanish |
| 36466 | Curro Jimenez: Re-Imagined | ZX-Spectrum 48K | Spanish |
| 1190 | Cursorspel | ZX-Spectrum 48K | Dutch |
| 40984 | Customs Officer | ZX81 16K | English |
| 1192 | Cyber Rats | ZX-Spectrum 16K | English |