| 30050 | C is for CRABBY! | ZX-Spectrum 48K | English |
| 23298 | C.A.R.S, the Computer Animated Racetrack Simulator | ZX-Spectrum 48K | English |
| 18296 | C5 Sprint | ZX-Spectrum 48K | English |
| 27408 | CADL | ZX-Spectrum 48K | Spanish |
| 31028 | CAR GAME! | ZX-Spectrum 48K | English |
| 34907 | CAVE81 | ZX81 1K | English |
| 35142 | CHRISMAGIC DOT | ZX-Spectrum 48K | English |
| 28773 | COMPAC | ZX81 16K | English |
| 42937 | COVID Spike | ZX-Spectrum 48K | English |
| 27085 | CRAM | ZX-Spectrum 48K | Spanish |
| 30429 | CROSS CHASE | ZX-Spectrum 48K | English |
| 44059 | CRPLetter | ZX-Spectrum 16K | English |
| 43549 | CUBICMAZE | ZX81 1K | English |
| 24687 | Caceria | ZX-Spectrum 48K | Spanish |
| 39668 | Caddie | ZX-Spectrum 48K | English |
| 24073 | Cafe | ZX-Spectrum 48K | Spanish |
| 30395 | Café Turco com os Ex-Jugoslavos | ZX-Spectrum 48K/128K | Portuguese |
| 41339 | Cake Bake | ZX81 16K | English |
| 18943 | California Gold Rush | ZX-Spectrum 48K | English |
| 792 | Calipse | ZX-Spectrum 48K | English |