| 6724 | Murder Hunt II | ZX-Spectrum 48K | English |
| 6725 | Murder Mystery Weekend | ZX-Spectrum 128K | English |
| 10874 | Murder at Hamilton Halls | ZX-Spectrum 48K | English |
| 17430 | Murder, Mystery | ZX-Spectrum 48K | English |
| 10875 | Murders in the Rue Morgue | ZX-Spectrum 48K | English |
| 6729 | Muren | ZX-Spectrum 48K | Swedish |
| 32381 | Muse - An Autumn Romance (ZxZvm) | ZX-Spectrum 128 +3 | English |
| 6731 | Mutant | ZX-Spectrum 48K/128K | English |
| 10876 | Mutiny! | ZX-Spectrum 128K | English |
| 10877 | Mysterious Fairground | ZX-Spectrum 48K | English |
| 21089 | Mysterious Island | ZX-Spectrum 48K | Russian |
| 24453 | Mysterious Island | ZX-Spectrum 48K | English |
| 44809 | Mystery City - The Fortunate Fortuneteller | ZX-Spectrum Next | English |
| 44456 | Mystery City - The Fortunate Fortuneteller | ZX-Spectrum 128 +3 | English |
| 44457 | Mystery City - The Secret Code | ZX-Spectrum 48K/128K | Multi-language: English, Portuguese, Spanish |
| 9988 | Mystery Fun House | ZX-Spectrum 48K | English |
| 43444 | Mystery Isles | ZX-Spectrum 128 +3 | English |
| 11949 | Myth | ZX-Spectrum 128 +3 | English |
| 6677 | Město robotů | ZX-Spectrum 48K | Czech |
| 42181 | NUTCA | ZX-Spectrum 48K | Spanish |