| 30800 | Low Resolution Fox | ZX-Spectrum 128 +3 | English |
| 23824 | M3 Unlock | ZX-Spectrum 128 +3 | English |
| 23052 | MGT Copy | ZX-Spectrum 128 +3 | English |
| 27765 | MIDI * Sound | ZX-Spectrum 128 +3 | English |
| 11297 | Magic Knight Trilogy | ZX-Spectrum 128 +3 | English |
| 18227 | Mallard | ZX-Spectrum 128 +3 | English |
| 9373 | Mallard BASIC | ZX-Spectrum 128 +3 | English |
| 38129 | Mapeador de Discos | ZX-Spectrum 128 +3 | Spanish |
| 12379 | Masterfile +3 | ZX-Spectrum 128 +3 | English |
| 12348 | Mastertronic +3 Compilation Disk 4 | ZX-Spectrum 128 +3 | English |
| 22205 | Megamat 800 | ZX-Spectrum 128 +3 | English |
| 36087 | Memorias De ReXXe (ZxZvm) | ZX-Spectrum 128 +3 | - |
| 32378 | Mercy - A Short Story (ZxZvm) | ZX-Spectrum 128 +3 | English |
| 15471 | Microfair Madness Plus | ZX-Spectrum 128 +3 | English |
| 15472 | Microvalue 6 Pack | ZX-Spectrum 128 +3 | English |
| 35226 | Mini Pancho Bros | ZX-Spectrum 128 +3 | English |
| 17004 | Monitor de Codigo Maquina +3 | ZX-Spectrum 128 +3 | Spanish |
| 37510 | Monitor de Disco para Plus-3 | ZX-Spectrum 128 +3 | Spanish |
| 30386 | Monty Desing 2014 | ZX-Spectrum 128 +3 | English |
| 32379 | Moonmist - A Mystery Story (ZxZvm) | ZX-Spectrum 128 +3 | English |