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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.
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Latest commit 613854d @obrakmann obrakmann Merge pull request #10632 from reaperrr/cleanup-harv
Improve Harvester-related code
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OpenRA.Game Merge pull request #10543 from whinis/RestartSkirmish
OpenRA.GameMonitor Wrap OpenRA arguments in quotes
OpenRA.Mods.Cnc Load the load screen images from the virtual filesystem.
OpenRA.Mods.Common Merge pull request #10632 from reaperrr/cleanup-harv
OpenRA.Mods.D2k Move Util to Mods.Common.
OpenRA.Mods.RA Merge pull request #10650 from pchote/remove-fragile-diplomacy
OpenRA.Mods.TS Merge pull request #10720 from GraionDilach/gen2-map-import-waypoint-fix
OpenRA.Platforms.Default Simplify names, remove unused usings, remove redundant casts.
OpenRA.Platforms.Null Simplify names, remove unused usings, remove redundant casts.
OpenRA.Test Fix mod assembly loading on Windows.
OpenRA.Utility Fix mod assembly loading on Windows.
glsl Use explicit shader attributes.
lua Load assets using absolute paths. Fixes #6717.
mods Fix the missleading wording of the confirm dialogs
packaging Wrap OpenRA arguments in quotes
thirdparty Make travis fetch the mod content before running tests.
.editorconfig added EditorConfig support
.gitattributes Ensure LF line ending for .yaml files for hash consistency across pla…
.gitignore Add Support directory to .gitignore file
.kateproject Add a Kate project file.
.travis.yml Make travis fetch the mod content before running tests.
AUTHORS Improved GPS icons and added shadows to all icons Update
COPYING converted to GPLv3 Don't recommend WinForms on Debian
Makefile Use versioned user map directories.
OpenRA.Game.exe.config allow 3rd-party mod DLLs on .NET > 4.0
OpenRA.Test.nunit Add NUnit configuration with correct binpath
OpenRA.Utility.exe.config redirect Microsoft.Build.Framework.dll on Mono 4
OpenRA.sln Update version in solution file to match VS 2015 Update 1. Update
Settings.StyleCop Enforce a line length limit.
appveyor.yml also version pull request artifacts
dupFinder.xslt scan for duplicates
global mix database.dat replace PackageContent yamls with XCC database
launch-dedicated.cmd add a Windows dedicated server launch script add a tiny comment/usage Fix shell script syntax errors
make.cmd Added a counterpart to the Makefile for Windows users
make.ps1 Add explicit interface checking to 'make check'
utility.cmd Fix a stupid mistake in utility.cmd (td vs cnc)


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.

Issue Stats Issue Stats


  • 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 2007-2015 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. For more information, see COPYING.

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