| Title | Publisher | Year | Language | Documents |
|---|---|---|---|---|
| Diamond | Dr. Laser | 1998 | Russian | |
| Downtown Tokyo, Present Day | John Kean | 1998 | English | Solution, Map |
| Dragon Dorado | David Diaz Peña | 1998 | Spanish | |
| Dragon Story | KAP | 1998 | Czech | |
| Dragons In Chocolate Land | Eclipse | 1998 | English | |
| Dungeon of Doom | Lee Hesselden | 1998 | English | |
| Dungeons of Thuria | Brian Lingard | 1998 | English | Solution, Map |
| Dwell | Maxim Grigoriev | 1998 | Swedish |