| 26281 | Chimica | ZX-Spectrum 48K | Italian |
| 27898 | Chimica | ZX-Spectrum 48K | Italian |
| 16607 | Choques | ZX-Spectrum 48K | Spanish |
| 19924 | Chord Dictionary | ZX-Spectrum 48K | English |
| 26854 | Chordata | ZX-Spectrum 48K | English |
| 21278 | Chordout | ZX-Spectrum 48K | Russian |
| 25251 | Chuvash Language | ZX-Spectrum 48K | Russian |
| 19715 | Ciencias Naturales | ZX-Spectrum 48K | Spanish |
| 17786 | Circles and Squares and Other Shapes | ZX-Spectrum 48K | English |
| 4000015 | Circuit Board Scramble | Timex Tx2068 | English |
| 42188 | Circulacion de Fluidos | ZX-Spectrum 48K | Spanish |
| 39066 | Citta' D'Italia | ZX-Spectrum 48K | Italian |
| 18033 | Claves | ZX-Spectrum 48K | Spanish |
| 28113 | Clavichord | ZX-Spectrum 16K | English |
| 11589 | Clever Clogs - Blockbuster | ZX-Spectrum 48K | English |
| 15540 | Clever Clogs - General Knowledge | ZX-Spectrum 48K | English |
| 11590 | Clever Clogs - History Mystery | ZX-Spectrum 48K | English |
| 9054 | Clever Clogs - Jungle Jumble | ZX-Spectrum 48K | English |
| 15541 | Clever Clogs - Melody Maker | ZX-Spectrum 48K | English |
| 11591 | Clever Clogs - Music | ZX-Spectrum 48K | English |