| Title | Publisher | Year | Language | Documents |
|---|---|---|---|---|
| Halothane | Ravi Rajkumar | 1999 | English | Solution |
| Haunted House, The | Campbell Wild | 1999 | English | |
| HeBGB Horror!, The | Eric Mayer | 1999 | English | Solution, Map |
| Hedda's Revenge | Adventure Probe Software |
1999 | English | Solution, Map |
| Höhlen von Karn, Die | Martin Oehm | 1999 | German | |
| Huize 44 Queeste | Jinwo Versluys, Rinze de Laat | 1999 | Dutch | |
| Hunter, in Darkness | Andrew Plotkin | 1999 | English | Solution |