| 13239 | Concentration | ZX-Spectrum 16K | English |
| 39451 | Conception | ZX81 1K | English |
| 39581 | Condensation Street | ZX-Spectrum 48K | English |
| 44650 | Condition Red | ZX81 16K | English |
| 40004 | Cones | ZX-Spectrum 48K | English |
| 10746 | Confidential | ZX-Spectrum 48K | English |
| 25732 | Config | ZX-Spectrum 48K | English |
| 1042 | Conflict | ZX-Spectrum 48K | English |
| 11237 | Conflict Command | ZX-Spectrum 48K | English |
| 11611 | Conflicts 1 | ZX-Spectrum 48K | English |
| 11612 | Conflicts 2 | ZX-Spectrum 48K | English |
| 1043 | Confrontation | ZX-Spectrum 48K | English |
| 1044 | Confrontation Scenarios volume 1 | ZX-Spectrum 48K | English |
| 9621 | Confrontation Scenarios volume 2 | ZX-Spectrum 48K | English |
| 33385 | Confuddle | ZX-Spectrum 48K | English |
| 1046 | Confused | ZX-Spectrum 48K | English |
| 1047 | Confusion | ZX-Spectrum 48K | English |
| 1048 | Confuzion | ZX-Spectrum 48K | English |
| 40265 | Conga | ZX-Spectrum 48K | English |
| 14487 | Congo Bongo | ZX-Spectrum 48K | English |