| Title | Publisher | Year | Language | Documents |
|---|---|---|---|---|
| Magnetic Moon | Adventure Workshop, The |
1987 | English | Solution, Map, Hints |
| Main Course | Quantum Sheep | 2008 | English | Solution, Map |
| Marooned | Bruce Davis | 2000 | English | Solution |
| Marooned on Mazoomah | Larry Horsfield |
2025 | English | |
| Monster Age: Trials of Dustorn | ? | 2017 | English | |
| Mortality | David Whyld | 2005 | English | |
| Museum Heist | Kenneth Pedersen | 2020 | English | |
| My Mind's Mishmash | Robert Street |
2007 | English | Solution |
| Mysterious Spaceship, The | Kenneth Pedersen | 2019 | English | |
| Mystery Manor | Dana Crane | 2001 | English | Solution |