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.

Download Now

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 10.2.0:

News & Announcements

Odamex 10.2.0 Released

Hekksy :: August 19, 2022, 05:22:27

Odamex 10.2.0
Odamex version 10.2.0 has been released. Notable changes include a new invulnerability effect, changes to the monster netcode to reduce frames going out of sync, map lighting being...

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Odamex 10.1.0 Released

Hekksy :: April 30, 2022, 06:07:06

Odamex 10.1.0
Odamex version 10.1.0 has been released. This release is mostly a bugfix and quality of life update. Notable differences is a slight overhaul of the Horde mechanics to adjust monster...

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Latest Updates

Changelog

Rev	Comment
729e3ce	Update README.md
a213ba9	Merge pull request #788 from electricbrass/line-192-fix [BUGFIX] Fix Boom Forma...
8ceaf49	pass -1 instead of 0 to EV_LightTurnOn
1252a96	Update README.md

Issue Tracker

Id	Description
790	[FEATURE] Flash window on respawn
789	[FEATURE] Odamex to Begin Animated Flats/Patches per Map Specification
787	[BUG] Commander Keen Clips Into the Ceiling
786	[BUG] Boom Format Line Action 192 Does the Opposite

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™