| 27040 | Mitrums | ZX-Spectrum 48K | Latvian |
| 9142 | Mittelwelle | ZX-Spectrum 48K | German |
| 11912 | Mix and Match with Maggie | ZX-Spectrum 48K | English |
| 11914 | Model Maths | ZX-Spectrum 48K | English |
| 26923 | Model Universe | ZX-Spectrum 16K | English |
| 15826 | Mole: Chemistry Calculations | ZX-Spectrum 48K | English |
| 13868 | Money | ZX-Spectrum 48K | English |
| 15958 | Money | ZX-Spectrum 16K | English |
| 37525 | Monitor de Diédrica | ZX-Spectrum 48K | Spanish |
| 41546 | Monster Division | ZX81 16K | English |
| 35637 | Monster Maths | ZX81 16K | English |
| 16091 | Monte Carlo | ZX-Spectrum 16K | English |
| 19765 | Monte Carlo Rally | ZX-Spectrum 48K | English |
| 28079 | Moon | ZX-Spectrum 16K | English |
| 40148 | Moon's Phases | ZX-Spectrum 48K | English |
| 38923 | Morse | ZX-Spectrum 48K | Portuguese |
| 26310 | Morse Code | ZX-Spectrum 48K | Italian |
| 40481 | Morse Code | ZX81 16K | English |
| 44093 | Morse Code | ZX-Spectrum 16K/48K | English |
| 19205 | Morse Code | ZX-Spectrum 16K | English |