| Title | Publisher | Year | Language | Documents |
|---|---|---|---|---|
| Castle, The | Dan Brochner Nielsen, Peter Lumbye | ? | English | Solution |
| Poltergeist | Dan Brochner Nielsen, Peter Lumbye | 1986 | English | Solution |
| Spacestation Beta 1 | Dan Brochner Nielsen, Peter Lumbye | 1986 | English | Solution, Map |