| Title | Publisher | Year | Language | Documents |
|---|---|---|---|---|
| Ucieczka ze Spejs-Szipu | Hooy-Program | 2004 | Polish | |
| Ultimo Jedi, El | Jose Vicente Ruiz (Joruiru) | 2013 | Spanish | |
| Unauthorized Termination | Richard Otter |
2006 | English | Solution |
| Underworld of Kragon | Poseidon Software |
1984 | English | |
| Unforgotten | Quintin Pan | 2005 | English | |
| Unholy Grail, The | Stuart Allen | 1997 | English | Solution |
| Unidad 030307 con Destino 207 adC | Jose Safonte | 2007 | Spanish | |
| Universo Digital | Edlobez |
2016 | Spanish | |
| Unknown Planet | Amstrad User, The, Strategy Publications | 1990 | English | Solution |
| Unknown Worlds | ? | 1995 | German | |
| Unraveling God | Todd Watson | 2002 | English | Solution |
| Unscientific Fiction | Tom Tervoort | 2009 | English | Solution |