| Title | Publisher | Year | Language | Documents |
|---|---|---|---|---|
| Madam Spider's Web | Sara Dee | 2006 | English | Solution |
| MANALIVE, A Mystery of Madness - I | Bill Powell | 2006 | English | Solution |
| MANALIVE, A Mystery of Madness - II | Bill Powell | 2006 | English | Solution |
| Möbius | J. D. Clemens | 2006 | English | Solution |
| Moon-Shaped | Jason Ermer | 2006 | English | Solution |