| 42845 | Cocktails | ZX-Spectrum 48K | Multi-language: English, Portuguese |
| 17583 | Coco-nut | ZX-Spectrum 48K | Spanish |
| 32273 | Cocozoi 2 | ZX-Spectrum 48K | Romanian |
| 39911 | Code Breaker | ZX-Spectrum 48K | English |
| 25009 | Code Breaker | ZX-Spectrum 48K | English |
| 19246 | Code Compressor | ZX-Spectrum 48K | English |
| 13142 | Code Compressor 1 | ZX-Spectrum 48K | English |
| 21436 | Code Cruncher | ZX-Spectrum 48K | English |
| 21417 | Code Disassembler | ZX-Spectrum 48K | English |
| 15763 | Code Investigator | ZX-Spectrum 48K | English |
| 14622 | Code Machine 2068 | ZX-Spectrum 48K | English |
| 25730 | Code Machine Printer Output | ZX-Spectrum 48K | English |
| 27566 | Code Redactor | ZX-Spectrum 48K | English |
| 42312 | Code Scanner | ZX-Spectrum 48K | Romanian |
| 26645 | Code Setter - Code Breaker | ZX-Spectrum 48K | English |
| 8024 | Code Slicer | ZX-Spectrum 48K | English |
| 11058 | Code Slicer 2 | ZX-Spectrum 48K | English |
| 14497 | CodeBreker | ZX-Spectrum 48K | Dutch |
| 19945 | CodeScan | ZX-Spectrum 48K | English |
| 6094 | Codebook Caper | ZX-Spectrum 48K | English |