| 40708 | Machine Code tips | ZX81 16K | English |
| 40331 | Machine Code to DATA Converter | Sinclair QL | English |
| 2000801 | Machine Language Programming Made Simple for Your Sinclair & Timex TS1000 | - | English |
| 8379 | Machine Lightning | ZX-Spectrum 48K | English |
| 20780 | Machine Status | ZX-Spectrum 16K | English |
| 23597 | Machine-Code Protectrum | ZX-Spectrum 48K | English |
| 2001043 | Machines Who Think | - | English |
| 27671 | Macine Code Disassembler | ZX-Spectrum 48K | English |
| 24153 | Maclone | ZX-Spectrum 48K | English |
| 8380 | Macro for Construction and Animation | ZX-Spectrum 48K | English |
| 25833 | Macro-Life | ZX-Spectrum 48K | English |
| 32030 | Macro-Life | ZX81 16K | English |
| 19804 | Macroeconomics | ZX-Spectrum 48K | English |
| 17504 | Mad Arrows | ZX-Spectrum 48K | English |
| 21080 | Mad Balls | ZX-Spectrum 48K | English |
| 2961 | Mad Caverns | ZX-Spectrum 48K | English |
| 18298 | Mad Dash | ZX-Spectrum 48K | English |
| 17793 | Mad Drivers | ZX-Spectrum 16K | English |
| 39180 | Mad Gods | ZX-Spectrum 48K | English |
| 7540 | Mad House | ZX-Spectrum 128K | English |