| Title | Publisher | Year | Language | Documents |
|---|---|---|---|---|
| Unendliche Geschichte, Die | Uwe Maurer | 1984 | German | Solution |
| Unfreiwillige Erbe, Das | Stoffelsoft | 1985 | German | Solution, Map |
| Unique Adventure III | ? | ? | German | |
| Unknown Worlds | ? | 1995 | German | |
| Unsägliche und Vermeidbare Tod des Matthias Claudius, Der | Christian Holmok | 2017 | German | |
| Unsauberen Geschäften | Atari Bit Byter User Club (ABBUC) | 1982 | German | Solution |
| Unter Der Erde | Richard Gresser | 1990 | German | Solution |
| Unter Hirschen | Florian Edlbauer, Martin Oehm, Maximilian Kalus | 2003 | German | |
| Unterwelt | Christoph Oleschinski | 2004 | German | |
| Untitled Adventure | Hannes Schüller | 1996 | German | |
| Urwald | Mcs, Pw | 1985 | German |