| 43048 | Cesare the Somnambule | ZX-Spectrum 128K | English |
| 876 | Chain Reaction | ZX-Spectrum 48K/128K | English |
| 880 | Chambers of Death | ZX-Spectrum 48K | English |
| 41825 | Cheops Tomb | ZX81 16K | - |
| 913 | Chernobil | ZX-Spectrum 48K | Spanish |
| 30256 | Christmas Gift Hunt | ZX-Spectrum 48K/128K | English |
| 978 | City Slicker | ZX-Spectrum 48K | English |
| 987 | Clever & Smart | ZX-Spectrum 48K | - |
| 1039 | Commando | ZX-Spectrum 48K | French |
| 37342 | Commode 64 BASIC | ZX-Spectrum 48K | English |
| 1053 | Con-Quest | ZX-Spectrum 48K | English |
| 36263 | Corona Capers | ZX-Spectrum 128K | English |
| 1090 | Count Duckula | ZX-Spectrum 48K | English |
| 30155 | Cousin Horace | ZX-Spectrum 48K | Multi-language: English, French, German, Italian, Portuguese, Spanish |
| 11622 | Coven | ZX-Spectrum 48K | English |
| 42472 | Crazy Forest | ZX-Spectrum 128K | English |
| 12789 | Crime Santa Clause | ZX-Spectrum 48K/128K | Russian |
| 12790 | Crime Santa Clause 2 | ZX-Spectrum 128K | Russian |
| 12791 | Crime Santa Clause: Deja Vu | ZX-Spectrum 128K | Russian |
| 1154 | Crimebusters inc. | ZX-Spectrum 48K | English |