| 36081 | Con Rumbo (ZxZvm) | ZX-Spectrum 128 +3 | - |
| 23687 | Conan - Spotkanie w krypcie | ZX-Spectrum 48K | Polish |
| 6104 | Conan 1 - A magické diamanty | ZX-Spectrum 48K | Slovak |
| 36476 | Conan il Sanguinario | ZX-Spectrum 48K | Italian |
| 20910 | Concurso Aventura 2008 | ZX-Spectrum 48K | Spanish |
| 39581 | Condensation Street | ZX-Spectrum 48K | English |
| 10746 | Confidential | ZX-Spectrum 48K | English |
| 33385 | Confuddle | ZX-Spectrum 48K | English |
| 32341 | Congratulations! (ZxZvm) | ZX-Spectrum 128 +3 | English |
| 43614 | Consider the Consequences! | ZX-Spectrum 128K | Multi-language: English, Spanish |
| 23646 | Contract | ZX-Spectrum 48K | English |
| 9624 | Cornilius | ZX-Spectrum 48K | English |
| 6108 | Corporal Stone | ZX-Spectrum 48K | English |
| 17738 | Corridors of the Nethermind | ZX-Spectrum 48K | English |
| 10748 | Corruption | ZX-Spectrum 128 +3 | English |
| 6109 | Corya the Warrior-Sage | ZX-Spectrum 48K | English |
| 10749 | Cosmos | ZX-Spectrum 48K | English |
| 23209 | Countdown | ZX-Spectrum 48K | English |
| 9630 | Countdown to Doom | ZX-Spectrum 128 +3 | English |
| 6111 | Cracker | ZX-Spectrum 48K | Czech |