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| OpenRA | |
|---|---|
| Name | OpenRA |
| Developer | GitHub, The Open Source Initiative, Linux Foundation |
| Released | 2007 |
| Programming language | C Sharp, C++ |
| Operating system | Windows 10, macOS Big Sur, Ubuntu |
| License | GNU General Public License |
OpenRA is an open-source real-time strategy engine and project that recreates and modernizes classic 1990s strategy titles. It provides redesigned rules, user interface enhancements, networked multiplayer, and modding tools to reproduce games originally produced by companies such as Westwood Studios and Electronic Arts. The project emphasizes cross-platform compatibility, community-driven development, and fidelity to the feel of titles historically influential in the RTS genre.
The project's genesis occurred in the late 2000s amid renewed interest in preservation of classic titles like Command & Conquer, Dune II, and Red Alert. Early contributors reverse-engineered game data and formats used by developers such as Westwood Studios and Virgin Interactive, and coordinated on platforms including SourceForge and GitHub. Over time the team released playable builds supporting multiplayer across services pioneered by GameSpy and later integrated networking compatible with modern services like Steamworks and native peer-to-peer. The project has been showcased at events such as FOSDEM and influenced archival efforts like those promoted by the Internet Archive.
Gameplay aims to reproduce and iterate on mechanics found in the original titles from studios like Westwood Studios while introducing enhancements inspired by later franchises such as StarCraft and Warcraft III. Matches involve resource collection, base construction, unit production, and tactical combat across maps similar to those designed by teams at Westwood Studios and Bullfrog Productions. The engine supports skirmish modes, ranked multiplayer ladders comparable to systems used in ESL tournaments, and single-player missions reminiscent of campaigns produced by Electronic Arts subsidiaries. Units, factions, and tech trees draw on designs appearing in original releases including works from Westwood Pacific and Westwood Studios alumni.
Development follows a collaborative model leveraging issue tracking and pull requests on GitHub while coordinating releases via continuous integration systems used by organizations like Travis CI and AppVeyor. Contributors include volunteers ranging from hobbyists active on forums such as Reddit and Discord communities to developers with prior experience at studios like EA Los Angeles and Westwood Studios. The community organizes playtests, balance patches, and tournaments inspired by competitive scenes from events such as DreamHack and ESL One. Documentation and localization efforts have drawn on translation platforms similar to those used by Mozilla and Wikimedia Foundation projects.
The engine implements deterministic simulation and input-driven playback techniques comparable to those used in engines from Blizzard Entertainment and supports mod creation with tools influenced by editors from Valve Corporation and id Software. Modders can create campaigns, units, and maps using formats and scripting approaches reminiscent of formats pioneered by Westwood Studios and expanded by community projects around StarCraft II and Warcraft III. Integration with asset pipelines used by studios such as LucasArts and middleware strategies seen at Epic Games informs support for sprite, sound, and UI asset management. The project exposes APIs and editors enabling conversion and preservation efforts similar to those undertaken by the ScummVM community.
Critical reception among preservationists, critics, and players has emphasized cultural and historical importance akin to retrospectives on franchises like Command & Conquer, Dune II, and Red Alert. Coverage in gaming press and preservation circles compared the project to archival initiatives by Internet Archive and restoration work by teams associated with The Museum of Play. The engine has enabled competitive play and community tournaments echoing grassroots scenes seen in DreamHack and ESL events and fostered academic interest similar to studies referencing works from Stanford University and MIT on game history. Overall, the project is recognized for extending the lifespan of influential titles and providing a platform for modders and historians affiliated with institutions such as The Strong National Museum of Play.
Category:Free software Category:Video game engines