| 1125 | Crazy Castles | ZX-Spectrum 48K | English |
| 1126 | Crazy Caverns | ZX-Spectrum 16K | English |
| 15891 | Crazy Chef | ZX-Spectrum 48K | English |
| 2656 | Crazy Climber | ZX-Spectrum 48K | - |
| 1127 | Crazy Crane | ZX-Spectrum 16K | English |
| 1117 | Crazy Er*Bert | ZX-Spectrum 48K | English |
| 1130 | Crazy House | ZX-Spectrum 48K | English |
| 17586 | Crazy Painter | ZX-Spectrum 48K | - |
| 13240 | Crazy Painter | ZX-Spectrum 16K | English |
| 36164 | Crazy Painter | Sinclair QL | - |
| 1135 | Crazy Race | ZX-Spectrum 16K | English |
| 40675 | Create a Word Search Puzzle | ZX80 | English |
| 34494 | Creature | ZX81 16K | English |
| 35095 | Creepy | ZX-Spectrum 48K | Multi-language: English, Spanish |
| 1137 | Creepy Crawler | ZX-Spectrum 16K | English |
| 17703 | Creepy Crawley | ZX-Spectrum 48K | English |
| 40513 | Creepy Creatures | ZX81 16K | English |
| 27602 | Cresta Lander | ZX-Spectrum 16K | English |
| 16129 | Creta | ZX-Spectrum 48K | Spanish |
| 1140 | Crevasse | ZX-Spectrum 16K | English |