| Title | Publisher | Year | Language | Documents |
|---|---|---|---|---|
| Don't Be Late! | Greg Ewing | 1996 | English | Solution, Map |
| No Earthly Use | Greg Ewing | 2000 | English | Solution, Map |
| On a Horse with No Name | Greg Ewing | 2000 | English | Solution |
| To Otherwhere and Back | Greg Ewing | 2001 | English | |
| Unity! | Greg Ewing | 1998 | English |