This page is for the original release. For the version included in the BFG Edition, see Doom 3: BFG Edition. For the 2020 Unity re-release, see Doom II Classic.
All patches for the retail versions of Doom II: Hell on Earth (as well as Doom and Final Doom) can be found here.
Since the release of the engine's source code, various source ports have been released. See the link above for details and recommendations.
Run the program as administrator
A total conversion for Doom II that converts it into the PlayStation version of Doom and Final Doom while using GZDoom's modernized features. Requires Doom II and GZDoom. Follow this guide for installation instructions.