| 6064 | The Castle | ZX-Spectrum 48K | English |
| 6071 | The Castle | ZX-Spectrum 48K | English |
| 42391 | The Castle | ZX-Spectrum 48K | English |
| 32145 | The Castle | ZX-Spectrum 48K | English |
| 36496 | The Castle Of Dr Game | ZX-Spectrum 48K | English |
| 10465 | The Castle of Doom | ZX-Spectrum 48K | English |
| 28747 | The Castles of Carmain | ZX81 16K | English |
| 19425 | The Cataloguer | ZX-Spectrum 48K | English |
| 37653 | The Cave | ZX-Spectrum 48K | English |
| 35094 | The Cave of Magic: A Troll's Revenge | ZX-Spectrum 48K | English |
| 15150 | The Cavern | ZX-Spectrum 48K | English |
| 10735 | The Caves of Skull | ZX-Spectrum 48K | English |
| 12654 | The Centre Graphics | ZX-Spectrum 48K | English |
| 871 | The Centurions | ZX-Spectrum 48K/128K | English |
| 2000063 | The Century Computer Programming Course | - | English |
| 2000064 | The Century Computer Programming Course for the Spectrum | - | English |
| 9593 | The Chain | ZX-Spectrum 48K | English |
| 6077 | The Challenge | ZX-Spectrum 48K | English |
| 14688 | The Challenge + Davy Jones Locker | ZX-Spectrum 48K | English |
| 10737 | The Challenge of Iythus | ZX-Spectrum 128K | English |