Open Source Real Time Strategy Games

Browse free open source Real Time Strategy games and projects below. Use the toggles on the left to filter open source Real Time Strategy games by OS, license, language, programming language, and project status.

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  • 1
    Warzone 2100

    Warzone 2100

    RTS game with the theme of Strategy by Design

    You command the forces of “The Project” in a battle to rebuild the world after mankind has almost been destroyed by nuclear missiles. The game offers a full campaign with optional (but strongly recommended!), videos, battle against four factions, multi-player and single-player skirmish modes, and an extensive tech tree and a full unit designer. Multi-player is also cross-platform, battle your friends with any OS, Windows, Linux or Mac, it all works seamlessly! We also offer 100% portable Windows builds, take the game and install it anywhere! Our source repo is now at https://github.com/Warzone2100/warzone2100 Warzone 2100 works on both 32 & 64 bit Windows Vista or higher, 32 or 64 bit Linux, & macOS 10.10+.
    Leader badge
    Downloads: 1,830 This Week
    Last Update:
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  • 2
    0 A.D.

    0 A.D.

    0 A.D. is a free, open-source, cross-platform real-time strategy game.

    0 A.D. (pronounced "zero ey-dee") is a cross-platform real-time strategy (RTS) game of ancient warfare. It's a historically-based war/economy game that allows players to relive or rewrite the history of ancient civilizations, each depicted at their peak of economic growth and military prowess.
    Downloads: 83 This Week
    Last Update:
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  • 3
    Seven Kingdoms: Ambition

    Seven Kingdoms: Ambition

    An enhanced version of 7K:AA (Seven Kingdoms: Ancient Adversaries).

    Seven Kingdoms: Ambition is a real-time game of epic strategy and empire building featuring economy management, warfare, and intrigue. It is an updated and enhanced version of 7kaa (7K: Ancient Adversaries) featuring numerous fixes and improvements. https://discord.gg/xJs99xK38G Begin with a single, modest village under your command, and an entire world to be conquered by force of arms, guile and persuasion, or whatever other means you choose. Wage open warfare on your rivals, or forge alliances with them. Send spies to infiltrate their ranks, or hold them back to guard against your enemies' prying eyes. Mine ore and manufacture goods, then build markets and establish trade routes to bring gold flowing into your coffers. Have your scientists research new technology, or turn from science to the mystic arts, and seek the ultimate power: summon the aid of the gods! A more complete list is available on the wiki: https://sourceforge.net/p/seven-kingdoms-ambition/wiki/Features/
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    Downloads: 20 This Week
    Last Update:
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  • 4
    MFCTI is an RTS mod for Operation Flashpoint: Resistance. Create troops, vehicles, and bases. AI players can substitute humans allowing practice matches and co-op games. Includes a point & click interface and command system.
    Downloads: 15 This Week
    Last Update:
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  • 5
    MegaGlest

    MegaGlest

    Cross-platform real-time strategy game (3D)

    _________________________________________________________________________________________________________________________________________________________ PLEASE NOTE: Downloads and repositories have moved to GitHub at http://github.com/megaglest _________________________________________________________________________________________________________________________________________________________ MegaGlest is a free real-time strategy (RTS) game. It's fun to play in both single and multi-player modes (same or cross platform on LAN or Internet) and has lots of game content for endless playing. It forked from (no longer maintained) RTS classic Glest in 2010 and has since added several new features while improving on previously existing ones. MegaGlest is available for Linux, Windows, OS X and other systems. It also drives ot
    Downloads: 2 This Week
    Last Update:
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  • 6
    Loosely based on "Stargate SG-1", "Connected Worlds" is intended to be an "different" realtime 3D strategy game, capable to enable massive ammounts of players to play in a (hybrid) persistent universe. All planets in this universe are interconnected
    Downloads: 0 This Week
    Last Update:
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  • 7
    A school simulation game.
    Downloads: 0 This Week
    Last Update:
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  • 8
    L2Net is .net Alternative Lineage 2 Server and Client.
    Downloads: 0 This Week
    Last Update:
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  • 9
    XNA amateur writes AI testground based on Galaxy Civilications 3 (for starters)
    Downloads: 0 This Week
    Last Update:
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  • 10
    ORP is a tool in which you can process and view your Espionage and Combat reports produced by OGame (a space based MMORPG played by over 40.000 people worldwide). It makes your job of raiding and fleetcrashing a whole lot easier.
    Downloads: 0 This Week
    Last Update:
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  • 11
    Oona Saves the World is a game in defense of nature. It is a real-time strategy game, relatively non-violent. Written in Java. Currently the terrain editor works and you can move around. Read Oona's story at http://www.xs4all.nl/~ortiztr9/ (Dutch)
    Downloads: 0 This Week
    Last Update:
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  • 12
    This is an attack organisation helper for Travian. It helps you to plan a coordinated operation in very short time. Your attacks will slap your enemies in the same sec. Your defense will arrive between enemies attacks. Your mp3 will alarm you in time.
    Downloads: 0 This Week
    Last Update:
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  • 13
    A 3D multiplayer game. It simulates an war between two teams, and the gameplay is similar to the famous game Worms.
    Downloads: 0 This Week
    Last Update:
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