| Title | Publisher | Year | Language | Documents |
|---|---|---|---|---|
| At the Bottom of the Garden | Adam Biltcliffe | 2000 | English | Solution, Map |
| Atomic Heart, The | Stefan Blixt | 2003 | English | Solution |
| Attack of the Yeti Robot Zombies | Øyvind Thorsby | 2006 | English | Solution |
| Auden's Eden | Tommy Herbert | 2004 | English | |
| Augmented Fourth | Brian Uri | 2000 | English | |
| Aunt Nancy's House | Nate Schwartzman | 1997 | English | |
| Ausflug am Wochenende nach München | Brett Shelton, Brian McInnis, David Neville | 2007 | German | |
| Ausgerechnet Mamph Pamph! | C. Knodel | 2011 | German | |
| Authority | Eva Vikström | 2005 | English | |
| Aventura Rural, La | Xavi Carrascosa |
2003 | Spanish | |
| Aventurero en el Sega Park | Antonio Márquez Marín |
2000 | Spanish | |
| Avon | Topologika |
1982 | English | Solution, Map, Clue sheet |
| Awake the Mighty Dread | Lyle Skains | 2011 | English | |
| Awakened Deeply | R. A. Cooper | 2024 | English | |
| Awakening | Pete Gardner | 2009 | English | |
| Awakening, The | Dennis Matheson | 1998 | English | Solution |
| Azteca: A Timeless Adventure | Malinche Entertainment |
2004 | English | |
| Azul Fuerte | Xavi Carrascosa |
2010 | Spanish |