Between 1994 and 1998, Raven Software released four 3D FPS games in a fantasy setting, based on contemporary id Games engines, commonly referred to as the Heretic-Hexen series. This site is a collection of fan-published information from between 1998 and 2004 (please see the Copyright page for more details), as well as an incomplete listing of mods created for (or in connection to) these games.