| 40069 | Missile Attack | ZX81 16K | English |
| 33433 | Missile Command - Chroma Extension | ZX81 16K | - |
| 34536 | Missile Defense | ZX81 16K | English |
| 41529 | Missile Launcher | ZX81 16K | English |
| 28660 | Mission Apollo | ZX81 16K | Multi-language: Dutch, English |
| 42294 | Mission of the Deep | ZX81 16K | English |
| 35938 | Missione Impossibile | ZX81 16K | Italian |
| 35712 | Missler | ZX81 16K | English |
| 34537 | Missão Andrômeda | ZX81 16K | Portuguese |
| 29585 | Mole | ZX81 16K | English |
| 40499 | Mole | ZX81 16K | English |
| 40157 | Mole Attack | ZX81 16K | English |
| 40936 | Mole Search | ZX81 16K | English |
| 43624 | Money | ZX81 16K | English |
| 41028 | Money Grabba | ZX81 16K | English |
| 41634 | Money Grabber | ZX81 16K | English |
| 29104 | Moneygrabber | ZX81 16K | English |
| 31731 | Moniteur Desassembleur | ZX81 16K | - |
| 29102 | Monitor-Disassembler | ZX81 16K | English |
| 34538 | Monkey Maze | ZX81 16K | English |