| 44755 | Code Break | ZX-Spectrum 16K | English |
| 45072 | Code Breaker | ZX-Spectrum 16K | English |
| 25009 | Code Breaker | ZX-Spectrum 48K | English |
| 9611 | Code Breaker | ZX-Spectrum 16K | English |
| 39911 | Code Breaker | ZX-Spectrum 48K | English |
| 19246 | Code Compressor | ZX-Spectrum 48K | English |
| 13142 | Code Compressor 1 | ZX-Spectrum 48K | English |
| 40005 | Code Cracker | ZX81 16K | English |
| 21436 | Code Cruncher | ZX-Spectrum 48K | English |
| 21417 | Code Disassembler | ZX-Spectrum 48K | English |
| 34491 | Code IV | ZX81 16K | English |
| 15763 | Code Investigator | ZX-Spectrum 48K | English |
| 40044 | Code Loader | ZX81 16K | English |
| 28765 | Code Machine | ZX81 2K | 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 |
| 26645 | Code Setter - Code Breaker | ZX-Spectrum 48K | English |
| 8024 | Code Slicer | ZX-Spectrum 48K | English |
| 11058 | Code Slicer 2 | ZX-Spectrum 48K | English |