| Title | Publisher | Year | Language | Documents |
|---|---|---|---|---|
| X-Bázis | Lavina | 1990 | Hungarian | Solution |
| X-Mart | 80 Micro |
1984 | English | |
| Xadomy | Brassington Enterprises | ? | English | Solution |
| Xanadu | Paul Heinz | 1986 | English | Solution |
| Xanir Adventure | ? | ? | English | Solution, Map |
| Xplosive - Seek and Destroy | Chips-PD | 1992 | English | |
| Xtroth - The Adventure | Automata UK |
1985 | English | Solution, Map |