Enhanced source port of Doom, Heretic, and Hexen
  1 review

The Doomsday Engine is a portable version of the classic first person shooters DOOM, Heretic, and Hexen. It lets you enjoy the original games using modern technology, including high-resolution OpenGL graphics, 3D models, and dynamic lighting effects.
Data files from the original games are not included; you must acquire a copy of the original games from id Software and/or Raven Software. You may also use free alternatives such as
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pascal111 6 days ago

My first try, it works and has nice graphics effects on the original WAD's files of DOOM and HERETIC.