| 23816 | The Classic Collection | ZX-Spectrum 48K | English |
| 39743 | The Climber | ZX-Spectrum 16K/48K | English |
| 22107 | The Clip Composer | ZX-Spectrum 48K | English |
| 14331 | The Clone | ZX-Spectrum 16K | English |
| 24966 | The Clone Ranger | ZX-Spectrum 48K | English |
| 22743 | The Clown | ZX-Spectrum 48K | English |
| 23028 | The Cobbler | ZX-Spectrum 48K | English |
| 6095 | The Code | ZX-Spectrum 48K | English |
| 11596 | The Code Machine | ZX-Spectrum 48K | English |
| 39858 | The Code Machine | ZX81 16K | English |
| 1006 | The Colditz Story | ZX-Spectrum 48K | English |
| 15884 | The Colliery | ZX-Spectrum 48K | English |
| 42379 | The Color Challenge's Jailbreak! | ZX-Spectrum 48K | English |
| 10553 | The Colossal Cave | ZX-Spectrum 48K | English |
| 2000069 | The Colour Coded Guide to Microcomputers | - | English |
| 6100 | The Colour of Magic | ZX-Spectrum 48K | English |
| 1037 | The Comet Game | ZX-Spectrum 48K | English |
| 2000071 | The Commercial Games Programmer's Guide | - | English |
| 2000072 | The Companion to the Sinclair ZX Microdrive and Interfaces | - | English |
| 25376 | The Compass Collection | ZX-Spectrum 48K | English |