| 41105 | Mutant's Revenge | ZX81 16K | English |
| 3344 | Mutations | ZX-Spectrum 48K | English |
| 30055 | My Rendition of Horace to the Rescue | ZX-Spectrum 48K | English |
| 22122 | Myriad | ZX-Spectrum 48K | English |
| 21812 | Mysterious House | ZX-Spectrum 48K | English |
| 23790 | Mystery of Arkham Manor | ZX-Spectrum 48K | English |
| 18400 | Mystical Diamonds | ZX-Spectrum 16K | English |
| 35556 | Myšák | ZX-Spectrum 48K | Czech |
| 45017 | Mágnes-Golyó | ZX-Spectrum 48K | Hungarian |
| 42781 | Mísseis | ZX-Spectrum 48K | Portuguese |
| 43477 | Míssil | ZX81 16K | Portuguese |
| 18551 | N. Nodriza | ZX-Spectrum 48K | Spanish |
| 34541 | NA | ZX81 16K | English |
| 42465 | NAK | ZX-Spectrum 48K | English |
| 3360 | NARC | ZX-Spectrum 128K | English |
| 18077 | NHP 5 | ZX-Spectrum 48K | Spanish |
| 21825 | NLO | ZX-Spectrum 48K | Serbo-Croatian |
| 3358 | Naanas | ZX-Spectrum 16K | English |
| 17308 | Nanako in Classic Japanese Monster Castle | ZX-Spectrum 48K | English |
| 3363 | Narco Police | ZX-Spectrum 48K/128K | English |