Doomsday HQ Engine
The Doomsday Engine is an enhanced and extended version of DOOM, Heretic, and Hexen. It was originally based on the Hexen source code but parts of it have later been completely rewritten. Doomsday is only an engine; you will need a Game DLL if you wa
Doomsday HQ Engine gives 3D Hardware Support to Games like DOOM, Heretic and Hexen.