Open Source Call of Duty Alternatives

    The best open source alternative to Call of Duty is Unreal Tournament, which is both free and Open Source. If that doesn't suit you, our users have ranked more than 25 alternatives to Call of Duty and three of them is open source so hopefully you can find a suitable replacement. Other interesting open source alternatives to Call of Duty are Cube 2: Sauerbraten (Free, Open Source) and Enemy Territory: Legacy (Free, Open Source).

    This page was last updated Aug 21, 2021

    1. Unreal is a series of first-person shooter video games developed by Epic Games. Represent entire series of Unreal Tournament games.
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      Unreal Tournament vs Call of Duty opinions
      This alternative is disputed. Unreal Tournament is still a legitimate alternative to Call of Duty, but it might have issues that some users think are important.
      Unreal is more of an arena shooter with a focus on map/powerup control. As apposed to Call of Duty which is based around lone wolf "rambo like" combat with an emphasis on player-controlled weapon sets and customization.
      Negative comment almost 3 years ago

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      Unreal Tournament is arena shooter, Call of duty is more realistic shooter.
      Negative comment 11 months ago

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    2. Cube 2: Sauerbraten is a free multiplayer/singleplayer first person shooter, built as a major redesign of the Cube FPS.


    3. Wolfenstein: Enemy Territory is a free multiplayer first-person shooter. Set during World War II and heavily focused on team work, it was initially released in 2003 by Splash Damage and id Software.
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