| Title | Publisher | Year | Language | Documents |
|---|---|---|---|---|
| Ultimate | Chromasette |
1982 | English | |
| Underground Adventure | Duckworth Home Computing |
1983 | English | Solution, Map |
| Underworld, The | ZX Computing | 1986 | English | |
| Unexplored Mansion, An | Falsoft Inc |
1983 | English | |
| Unknown Planet | Amstrad User, The, Strategy Publications | 1990 | English | Solution |