| 35095 | Creepy | ZX-Spectrum 48K | Multi-language: English, Spanish |
| 1137 | Creepy Crawler | ZX-Spectrum 16K | English |
| 17703 | Creepy Crawley | ZX-Spectrum 48K | English |
| 40513 | Creepy Creatures | ZX81 16K | English |
| 27602 | Cresta Lander | ZX-Spectrum 16K | English |
| 16129 | Creta | ZX-Spectrum 48K | Spanish |
| 1140 | Crevasse | ZX-Spectrum 16K | English |
| 39929 | Cricket | ZX81 16K | English |
| 18344 | Crisis Countdown | ZX-Spectrum 48K | English |
| 16834 | Cristal Oscuro | ZX-Spectrum 48K | Spanish |
| 25132 | Cristalis | ZX-Spectrum 48K | Spanish |
| 31926 | CroZXy Road | ZX81 16K | English |
| 33411 | CroZXy Road - Chroma Edition | ZX81 16K | - |
| 39331 | Crocky | ZX81 16K | French |
| 14272 | Crokatile Walz | ZX-Spectrum 48K | English |
| 18068 | Crono-Desp | ZX-Spectrum 48K | Spanish |
| 28785 | Cross | ZX81 2K | - |
| 35931 | Cross Chase | ZX81 32K | English |
| 29504 | Cross Country | ZX81 1K | English |
| 37626 | Cross Snake | ZX-Spectrum 48K | English |