| 33429 | Mazogs - Chroma Edition | ZX81 16K | - |
| 32035 | Mazogs - Chroma Extension | ZX81 16K | English |
| 25644 | Mbunekam: Withdrawal Syndrome | ZX-Spectrum 48K | Russian |
| 3114 | Mega Bucks | ZX-Spectrum 48K | English |
| 9949 | Mega Twins | ZX-Spectrum 48K/128K | English |
| 3131 | Merlin | ZX-Spectrum 48K | English |
| 3155 | Metropolis | ZX-Spectrum 48K | English |
| 27983 | Mickey Mouse 2 | ZX-Spectrum 48K | Russian |
| 9957 | Mire Mare | ZX-Spectrum 48K | English |
| 3233 | Mission Elevator | ZX-Spectrum 48K | English |
| 3235 | Mission Fallout | ZX-Spectrum 48K | English |
| 42294 | Mission of the Deep | ZX81 16K | English |
| 3251 | Monster Munch | ZX-Spectrum 48K | English |
| 3260 | Monty Python's Flying Circus | ZX-Spectrum 48K/128K | English |
| 35152 | Moon and The Pirates | ZX-Spectrum 48K | Multi-language: English, Spanish |
| 34913 | Moon's Fandom Festival | ZX-Spectrum 48K | English |
| 3280 | Moontorc | ZX-Spectrum 48K | English |
| 3318 | Muggins the Spaceman | ZX-Spectrum 48K | English |
| 31301 | Murk Alfa | ZX-Spectrum 48K | English |
| 9382 | Murray Mouse Supercop | ZX-Spectrum 48K/128K | English |