Open Source real-time strategy game engine for early Westwood games such as Command & Conquer: Red Alert written in C# using SDL and OpenGL. Runs on Windows, Linux, *BSD and Mac OS X.
C# Lua Makefile PowerShell Shell NSIS Other
Latest commit 7827d50 Dec 5, 2016 @reaperrr reaperrr committed on GitHub Merge pull request #12441 from qwIvan/patch-1
mipsel architecture support
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OpenRA.Game Merge pull request #12381 from pchote/upgrade-conditions Nov 30, 2016
OpenRA.GameMonitor Update to .NET 4.5 May 19, 2016
OpenRA.Mods.Cnc Replace UpgradeMinEnabledLevel checks with an EnabledByDefault shim. Nov 19, 2016
OpenRA.Mods.Common Remove hardcoded default carryable conditions. Dec 1, 2016
OpenRA.Mods.D2k Remove WithDecorationCarryable. Nov 30, 2016
OpenRA.Mods.RA Makes friendly units aware of mines Nov 3, 2016
OpenRA.Mods.TS Add an introduction dialog for non-{DEV_VERSION} TS builds. Nov 11, 2016
OpenRA.Platforms.Default Marshal results in QueryDevices correctly. Oct 3, 2016
OpenRA.Server Support loading mods from arbitrary locations. Aug 8, 2016
OpenRA.Test Rewrite UpgradeManager implementation to suit conditions. Nov 20, 2016
OpenRA.Utility Support loading mods from arbitrary locations. Aug 8, 2016
glsl Use the MATLAB Jet colormap for displaying depth data. Aug 28, 2016
lua Load assets using absolute paths. Fixes #6717. Oct 10, 2014
mods Remove hardcoded default carryable conditions. Dec 1, 2016
packaging Merge pull request #12044 from Mailaender/oars Oct 9, 2016
thirdparty mipsel support Nov 30, 2016
.editorconfig added EditorConfig support Jul 7, 2013
.gitattributes Ensure LF line ending for .yaml files for hash consistency across pla… Mar 7, 2015
.gitignore Add mods/*/*.pdb to gitignore Sep 5, 2016
.kateproject Add a Kate project file. Jan 24, 2016
.travis.yml Update to Mono version 4.6.1 Oct 6, 2016
AUTHORS Add UnknownProgrammer to AUTHORS Sep 20, 2016 Update Oct 24, 2016
COPYING converted to GPLv3 Feb 16, 2010
ConvertFrom-Markdown.ps1 Replace the constantly breaking pandoc from Chocolatey Jul 16, 2016 Add OS X build instructions to Aug 19, 2016
Makefile Add message to fixheader.exe target if Mono isn't installed Nov 17, 2016
OpenRA.Game.exe.config allow 3rd-party mod DLLs on .NET > 4.0 May 20, 2015
OpenRA.Test.nunit Add NUnit configuration with correct binpath Dec 29, 2015
OpenRA.Utility.exe.config redirect Microsoft.Build.Framework.dll on Mono 4 May 23, 2015
OpenRA.sln Allow VS2015 to format solution file. Oct 9, 2016 Remove 404 images from the readme. Aug 6, 2016
Settings.StyleCop Enforce a line length limit. Mar 19, 2015
appveyor.yml Replace the constantly breaking pandoc from Chocolatey Jul 16, 2016
dupFinder.xslt scan for duplicates Jul 5, 2015
global mix database.dat Add nod_win1.aud and nod_map1.aud to mix database. Apr 1, 2016
launch-dedicated.cmd Fix dedicated server crash with AllowPortForward. Nov 11, 2016 Fix dedicated server crash with AllowPortForward. Nov 11, 2016 Move dedicated server code to OpenRA.Server.exe Mar 30, 2016
make.cmd Added a counterpart to the Makefile for Windows users Apr 7, 2014
make.ps1 Restructuring the make script & making the "all" command fetch depend… Nov 3, 2016
utility.cmd Fix a stupid mistake in utility.cmd (td vs cnc) Jan 9, 2015


A Libre/Free Real Time Strategy game engine supporting early Westwood classics.

Please read the FAQ in our Wiki and report problems at

Join the Forums for discussion.


Distributed mods include a reimagining of

  • Command & Conquer: Red Alert
  • Command & Conquer: Tiberian Dawn
  • Dune 2000

Check our Playing the Game Guide to win multiplayer matches.



  • Please read and Compiling on how to set up an OpenRA development environment.
  • See Hacking for an overview of the engine.
  • To get your patches merged, please adhere to the Contributing guidelines.


  • We offer a Mapping Tutorial as you can change gameplay drastically with custom rules.
  • For scripted mission have a look at the Lua API.
  • If you want to share your maps with the community, upload them at the OpenRA Resource Center.



  • Sponsor a mirror server if you have some bandwidth to spare.
  • You can immediately set up a Dedicated Game Server.
  • Fund development by creating Bounties on specific tasks.


Copyright 2007-2016 The OpenRA Developers (see AUTHORS) This file is part of OpenRA, which is free software. It is made available to you under the terms of the GNU General Public License as published by the Free Software Foundation, either version 3 of the License, or (at your option) any later version. For more information, see COPYING.