Multiplayer-oriented source port for Doom
Publisher’s description
What is Odamex?
Odamex by Odamex is open-source Windows software in the pc games category. It is written in C++. Besides Windows, it is available for Linux.
Installation and requirements
The publisher provides EXE (Inno Setup) installers for 32-bit Windows. Installation asks for administrator rights. A silent install is possible with the installer’s documented switches.
Updates and version history
The current version is 12.3.0, released on August 6, 2026. The version history goes back to June 13, 2023: 12 releases, all linked to the official files. That is about 3.8 releases a year.
Popularity and file types
The source code on GitHub (odamex/odamex) has 306 stars. Similar programs include OpenTTD, RetroArch and Steam.
Project description on GitHub: “Odamex - Online Multiplayer Doom port with a strong focus on the original gameplay while providing a breadth of enhancements. ”
Pros / Cons
Pros
- Open source: the code can be inspected and built by anyone
- Documented silent install
- Also runs on Linux
Cons
- No native ARM64 build
- 32-bit only
- Installation needs administrator rights
In short: Odamex is an open-source pc game tool for 32-bit PCs. Administrators can deploy it unattended.
Key features
- Can play many DOOM engine games, including Ultimate DOOM, DOOM II, Final DOOM, Freedoom, Chex Quest, Hacx, and REKKR
- Supports many modern editing features, such as “limit removing”, Boom, MBF, MBF21, and ID24
- Supports Hexen format and older ZDoom format maps
- Uncapped framerate
- High resolutions
- Widescreen support up to 32:9 ratio (ultra widescreen)
- 32-bit color renderer
- Multiple ways to playback MIDI music, including an FM Synth emulator to rekindle those 1990s memories
- Supports MOD and other tracker music, MP3, and OGG in custom wads
- Quake-style console and key bindings
- Crosshairs
- Extended HUD
- Mouselook, jumping, swimming, and flying
- Walk over/under monsters and other things
Is Odamex safe to download?
- The file is served by github.com, the publisher’s own domain
- The download link uses HTTPS
- A SHA256 hash is published, so you can verify the file:
FB9D357F994E4FB47EB41AD9B1908743EAEEA2020E40DEB7D500D6655FA4866B· Open the VirusTotal report for this hash - The link has not been checked yet
- The source code is public
- ExeAtlas does not host, wrap or modify installers
Related guide: How to check a file’s SHA256 hash on Windows
Recent versions
All 12 versions ›12 versions over 3 years · about 3.8 a year
| Version | Date | Size | Files |
|---|---|---|---|
| 12.3.0Latest | August 6, 2026 | — | 32-bit EXE (Inno Setup)32-bit EXE (Inno Setup) |
| 12.2.1 | June 27, 2026 | — | 32-bit EXE (Inno Setup)32-bit EXE (Inno Setup) |
| 12.2.0 | April 18, 2026 | — | 32-bit EXE (Inno Setup)32-bit EXE (Inno Setup) |
| 12.1.0 | January 5, 2026 | — | 32-bit EXE (Inno Setup)32-bit EXE (Inno Setup) |
| 12.0.0 | December 26, 2025 | — | 32-bit EXE (Inno Setup)32-bit EXE (Inno Setup) |
| 11.2.0 | November 15, 2025 | — | 32-bit EXE (Inno Setup)32-bit EXE (Inno Setup) |
| 11.1.1 | September 24, 2025 | — | 32-bit EXE (Inno Setup)32-bit EXE (Inno Setup) |
| 11.1.0 | August 11, 2025 | — | 32-bit EXE (Inno Setup)32-bit EXE (Inno Setup) |
Install from the command line
Silent install ›winget install --id Odamex.Odamex -eodamex-win-12.3.0.exe /VERYSILENT /SUPPRESSMSGBOXES /NORESTART /SP-Related guide: How to use winget: install and update apps
Also for other systems
flatpak install flathub net.odamex.OdamexInformation
- Publisher
- Odamex
- Category
- PC games
- Licence
- GPL-2.0
- Price
- Free
- Source code
- github.com/odamex/odamex
- Written in
- C++
- Content rating
- 15+
- Requires
- Windows 11 / 10
- Architecture
- 32-bit
- Installer
- EXE (Inno Setup)
- Other platforms
- Linux
- Version
- 12.3.0
- Released
- August 6, 2026
- Added to the catalogue
- June 13, 2023
- Versions listed
- 12
- Updates / year
- 3.8
- GitHub stars
- 306
- GitHub forks
- 77
- Website
- odamex.net
- winget ID
- Odamex.Odamex
Ratings and reviews
No reviews yet. Be the first to rate it.
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Frequently asked questions
Is Odamex free?
Yes. Odamex is open-source software under the GPL-2.0 licence.
Is Odamex safe to download?
The download comes from github.com, which belongs to the publisher; ExeAtlas does not host or change the file. Compare its SHA256 hash with the one shown here, or open the VirusTotal report for that hash.
How do I install Odamex with winget?
Open PowerShell or Windows Terminal and run the winget command shown on this page. winget downloads the official installer and checks its SHA256 hash before running it.
Can Odamex be installed silently?
Yes. The silent install page lists the exact command for each installer.
Does Odamex run on ARM (Windows on Arm)?
There is no ARM64 build; Windows 11 on Arm can run the 32-bit version through emulation.
Where can I download an older version of Odamex?
The versions page lists all 12 versions with links to their official installer files, back to June 13, 2023.
Can I use Odamex without administrator rights?
Yes, there is a per-user installer that does not need administrator rights.
What are alternatives to Odamex?
OpenTTD, RetroArch, Steam, PPSSPP and ScummVM. The alternatives page compares them.
