| 12496 | Magnum Pack Volume 1 | ZX-Spectrum 48K | English |
| 20895 | Making the Most of Your Spectrum Micro Drives | ZX-Spectrum 48K | - |
| 23563 | Master-Diseno | ZX-Spectrum 48K | Spanish |
| 29720 | Mastering Machine Code | ZX-Spectrum 48K | English |
| 12348 | Mastertronic +3 Compilation Disk 4 | ZX-Spectrum 128 +3 | English |
| 39124 | Maths | ZX-Spectrum 16K | English |
| 19532 | Maze + Hyperspace | ZX-Spectrum 48K | English |
| 15681 | Me & My Micro | ZX-Spectrum 48K | English |
| 16645 | Mega 4 | ZX-Spectrum 48K | Spanish |
| 11303 | Mega Box | ZX-Spectrum 48K | - |
| 14974 | Mega Box 2: McWiril Collection | ZX-Spectrum 48K | Spanish |
| 11304 | Mega Mix | ZX-Spectrum 48K | English |
| 11887 | Mega Sports | ZX-Spectrum 48K | English |
| 12497 | Mega-Hot | ZX-Spectrum 48K | English |
| 14275 | Mega-Mazing | ZX-Spectrum 48K | English |
| 13434 | Megaplay 1 | ZX-Spectrum 48K | English |
| 11305 | Megaplay 2 | ZX-Spectrum 48K | English |
| 34852 | Melbourne House Demo | ZX-Spectrum 48K | English |
| 32085 | Mercador dos Sete Mares | ZX81 16K | Portuguese |
| 6674 | Merlock the Mede | ZX-Spectrum 48K | English |