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 11.0.0:

News & Announcements

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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Odamex 10.6.0 Released

Hekksy :: September 11, 2024, 03:18:10

Odamex 10.6.0
This is a minor release, mostly to enable Odamex to find the iwads that are packaged with the release of DOOM + DOOM II on Steam and GOG. Odamex will find the DOS iwads as well as the...

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Latest Updates

Changelog

Rev	Comment
2f974ad	Merge pull request #1213 from electricbrass/remove-strcpy Remove all calls to `...
7d68287	Merge branch 'stable' into remove-strcpy
0bf44ab	Merge pull request #1214 from electricbrass/bugfix/e1-sky-offset [BUGFIX] Botto...
9f46485	Merge branch 'stable' into remove-strcpy

Issue Tracker

Id	Description
1221	Revert "Remove all calls to `strcpy` and `strcat`"
1220	Revert "[BUGFIX] Bottom of Doom episode 1 sky renders incorrectly."
1219	[BUGFIX] Set player.mo health during CL_PlayerInfo
1218	[BUGFIX] Properly center crosshairs on the screen.

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™