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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.
C# Lua Makefile Shell NSIS PowerShell Other
Branch: bleed
Failed to load latest commit information.
OpenRA.Game provide a more helpful exception
OpenRA.GameMonitor Explicitly set current working directory
OpenRA.Mods.Cnc Adds WithReloadingTurret render trait to TD mod
OpenRA.Mods.Common Use a default of 1d instead of 0d in LightingGlobal if the necessary …
OpenRA.Mods.D2k Introduce initial PPos plumbing.
OpenRA.Mods.RA Fix chronoshift duration being visible to enemy players
OpenRA.Mods.TS Added a release config.
OpenRA.Renderer.Null add a take screenshot hotkey
OpenRA.Renderer.Sdl2 update SDL2-CS
OpenRA.Test Added a release config.
OpenRA.Utility Updated commands layout
glsl Add CopyToArray method for IPalette.
lua Load assets using absolute paths. Fixes #6717.
mods Fix TS water effect palettes.
packaging autogenerate and install a UNIX man page
thirdparty double quote to prevent globbing and word splitting
.editorconfig added EditorConfig support
.gitattributes Ensure LF line ending for .yaml files for hash consistency across pla…
.gitignore autogenerate and install a UNIX man page
.travis.yml switch to the new container based infrastructure
COPYING converted to GPLv3 Update
Makefile also use the combined mod for Lua API doc generation
OpenRA.Game.exe.config allow 3rd-party mod DLLs on .NET > 4.0
OpenRA.Utility.exe.config redirect Microsoft.Build.Framework.dll on Mono 4
OpenRA.sln Remove shellmap script from d2k Update
Settings.StyleCop Enforce a line length limit.
appveyor.yml remove the thirdparty nsProcess plugin
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 also use the combined mod for Lua API doc generation
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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