| 23298 | C.A.R.S, the Computer Animated Racetrack Simulator | ZX-Spectrum 48K | English |
| 32333 | C.I.A. Adventure (ZxZvm) | ZX-Spectrum 128 +3 | English |
| 22485 | C.L.I. | ZX-Spectrum 48K | English |
| 14290 | C5 Challenge | ZX-Spectrum 16K | English |
| 779 | C5 Clive | ZX-Spectrum 48K | English |
| 18296 | C5 Sprint | ZX-Spectrum 48K | English |
| 30711 | C64 Emulator | - | English |
| 30782 | C64 Emulator | - | English |
| 42380 | C68 v4 | Sinclair QL | English |
| 11548 | CAD - Computer Aided Designer | ZX-Spectrum 48K | English |
| 7999 | CAD-Master - Light Pen & Graphics Software | ZX-Spectrum 48K | English |
| 34654 | CAFe 2019 invitation | Pentagon 128 | English |
| 40303 | CALL Bug Correction | Sinclair QL | English |
| 31028 | CAR GAME! | ZX-Spectrum 48K | English |
| 36538 | CASIO Digit Invaders | ZX-Spectrum 48K | English |
| 22949 | CAT$ | ZX-Spectrum 48K | English |
| 22042 | CAT&LOAD | ZX-Spectrum 48K | English |
| 30422 | CATS - Faith Edition | ZX-Spectrum 48K | English |
| 32161 | CATS - Mint Edition | ZX-Spectrum 48K | English |
| 34907 | CAVE81 | ZX81 1K | English |