| Title | Publisher | Year | Language | Documents |
|---|---|---|---|---|
| Castle Frankenstein | Epic Adventures | 1983 | English | Solution, Clue sheet |
| Kingdom of Klein, The | Epic Adventures | 1984 | English | Solution, Clue sheet |
| Lost Crystal, The | Epic Adventures | 1987 | English | Solution, Clue sheet |
| Wheel of Fortune | Epic Adventures | 1984 | English | Solution, Map, Clue sheet |