ODAMEX - Online Multiplayer Doom™
Odamex is a free, cross-platform (Mac, Windows, Linux) modification of the Doom engine that allows players to easily join servers dedicated to playing Doom online.
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Get On Board The Discord
Chat with friends, join a game, enter a tournament, get help, follow development and more on our Discord channel. It's the best way to stay directly connected to all things Odamex.
Enter Discord Server
Developers Wanted
Know C or C++? Have a desire to work on a multiplayer game engine? The Odamex Development Group is looking for developers with a little or a lot of time and interest in helping advance this open source multiplayer doom source port. Get our code on GitHub, and check out our bug tracker for where we need help the most.
Help The Effort - Expand Our Wiki
Every little bit helps. We need smart, capable folks to improve our wiki. Sign up via the boards and do your part!
Odamex Wiki Sign Up
News & Announcements
Odamex 11.1.0 Released
Hekksy :: August 10, 2025, 02:56:40
Odamex 11.1.0
Odamex 11.1.0 has been released! The 11.1.0 client can run on 11.0.0 servers, just in case the server hosts are a bit behind.
Some features that may stick out are:
THE FLATPAK BUILD IS...
Odamex 11.0.0 Released
Hekksy :: February 28, 2025, 19:18:07
Odamex 11.0.0
The next major version of Odamex is here! Included are a myriad of quality-of-life improvements and bug fixes, as well as some long-requested features!
Some features that may stick out...
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Latest Updates
Doom, Doom II & More
ODAMEX is compatible with the following games:
Open Source, Any Platform*
ODAMEX is designed with portability in mind. From PCs to netbooks, consoles to handhelds, Amiga to Windows - our goal is for any device to run multiplayer Doom.
If you have ported ODAMEX to a new device or platform, let us know!
