| Title | Publisher | Year | Language | Documents |
|---|---|---|---|---|
| Maddingly Hall | Minerva | 1989 | English | |
| Martello Tower | Derbyshire Educational Software Centre, ESM |
1984 | English | Map |
| Merlin's Castle | ESM |
1984 | English | Map, Solution |
| Mirror of Khoronz, The | Derek L. Haslam | 1987 | English | Solution, Hints, Map |
| Murdac | Topologika |
1982 | English | Solution, Clue sheet |
| Mysterious Land | Simon Warde, Tom Godber | 1992 | English |