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.

A copy of Doom, Doom II, Freedoom or Chex Quest is recommended to play it. If you do not own Doom, it can be purchased on GOG or Steam.

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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

Find more Odamex players:

Download Now for Your Platform

Each stable package includes client, server, and launcher applications.

Version 12.2.1:

News & Announcements

Odamex 12.2.1 Released

Hekksy :: 2026-06-28 01:32:33

Odamex 12.2.1 is out now! This is a maintenance release before the big 13, but we still have a hefty changelog of fixes and minor additions we wanted to get out to the community while we...

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Odamex 12.1.0 released

rakohus :: 2026-01-07 01:41:20

🔧 Odamex 12.1.0 is out now! This is a minor release with fixes for a few issues found in 12.0.0. Added The CVar sv_startwadscript has been added. Similar to sv_startmapscript and...

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Latest Updates

Changelog

Rev	Comment
22d7cf4	Merge pull request #1781 from odamex/feature/cvarjson [FEATURE] Create "cvardoc...
7e7768c	Merge branch 'stable' into feature/cvarjson
3fb3aa0	Merge pull request #1787 from endless-r0ad/bugfix/pause-newgame Fix netdemo not...
d066855	prevent crash when starting newgame from a paused netdemo

Issue Tracker

Id	Description
1789	Add clang-tidy config
1788	A few ACS fixes and additions
1784	[BUG] Using the SpawnForced ACS function causes sound effects to play at map sta...
1783	[BUG] Having more than 3 textures placed between TX markers prevents Odamex clie...

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!

ODAMEX - Online Multiplayer Doom™