| 8006 | Cattell IQ Test | ZX-Spectrum 48K | English |
| 19888 | Central Heating Design Aid | ZX-Spectrum 48K | English |
| 9595 | Champions | ZX-Spectrum 48K | English |
| 21941 | Change | ZX-Spectrum 48K | English |
| 19913 | Charts | ZX-Spectrum 48K | English |
| 40023 | Chas and I | ZX81 16K | English |
| 4000013 | Checkbook Manager | Timex Tx2068 | English |
| 41492 | Cheque Book Balancer | ZX81 16K | English |
| 41633 | Chess Clock | ZX81 16K | English |
| 23640 | Chess Diary | ZX-Spectrum 48K | English |
| 9601 | Chess Nuts | ZX-Spectrum 48K | English |
| 22852 | Chessboards | ZX-Spectrum 48K | English |
| 27772 | Chiromant | ZX-Spectrum 48K | Russian |
| 26222 | Chopin - Les Etudes | ZX-Spectrum 16K | English |
| 40208 | Chord Master | ZX81 16K | English |
| 23141 | Christmas Card List Sorter | ZX-Spectrum 48K | English |
| 29497 | Christmas Gift Tags | ZX81 16K | English |
| 17639 | Classic Pattern Writer | ZX-Spectrum 48K | English |
| 39642 | Clef | ZX81 16K | English |
| 24739 | Climogramas | ZX-Spectrum 48K | Spanish |