| 18785 | Cometa di Halley | ZX-Spectrum 48K | Italian |
| 19948 | Communicator | ZX-Spectrum 48K | English |
| 16613 | Como se Construye un Programa Comercial III | ZX-Spectrum 48K | Spanish |
| 17927 | Component Diagrams | ZX-Spectrum 48K | English |
| 25556 | Comprehensive French Verbs | ZX-Spectrum 48K | English |
| 23919 | Computer Assisted Propagation Studies | ZX-Spectrum 48K | English |
| 11608 | Computer Science | ZX-Spectrum 48K | English |
| 10978 | Computer Studies | ZX-Spectrum 48K | English |
| 11609 | Computer Studies | ZX-Spectrum 48K | English |
| 24839 | Computer Studies | ZX-Spectrum 48K | English |
| 17246 | Computer Studies - O'Level & CSE | ZX-Spectrum 16K | English |
| 9057 | Computer Studies - O-Level Revision and CSE | ZX-Spectrum 48K | English |
| 38922 | Conduzindo as Contas | ZX-Spectrum 48K | Portuguese |
| 18504 | Conejos | ZX-Spectrum 48K | Spanish |
| 42285 | Conicas | ZX-Spectrum 48K | Spanish |
| 38014 | Conjuntos | ZX-Spectrum 48K | Spanish |
| 37256 | Conjuntos + De 1 al 100 | ZX-Spectrum 48K | Spanish |
| 16685 | Constellation | ZX-Spectrum 48K | English |
| 25734 | Conway's Life | ZX-Spectrum 48K | English |
| 11615 | Corplan | ZX-Spectrum 48K | English |