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Open Source Call of Duty Alternatives

The best open source alternative to Call of Duty is Unreal Tournament. If that doesn't suit you, our users have ranked more than 50 alternatives to Call of Duty and four 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, Enemy Territory: Legacy and Liblast.

Call of Duty alternatives are mainly First-Person Shooters but may also be Battle Royale Games or Open World Games. Filter by these if you want a narrower list of alternatives or looking for a specific functionality of Call of Duty.
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Call of Duty is a first-person and third-person shooter series by Infinity Ward. The earlier games in the series are set...

Learn more about Call of Duty

  1. Unreal Tournament icon

    Unreal Tournament (Series)

    • FreeOpen Source
    • Mac
    • Windows
    • Linux

    Unreal is a series of first-person shooter video games developed by Epic Games.

    Represent entire series of Unreal Tournament games.
    ⚫︎ MultiplayerUnreal Tournament offers a game mode for more than one player.
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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.
    KuraiWolf

    Unreal Tournament is an arena shooter and lacks almost everything that makes Call of Duty stand out including "create-a-class" and even simply aiming down sights.

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    Unreal Tournament is arena shooter, Call of duty is more realistic shooter.

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    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.

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  2. Cube 2: Sauerbraten icon

    Cube 2: Sauerbraten

    • FreeOpen Source
    • Mac
    • Windows
    • Linux
    • BSD

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

    ⚫︎ MultiplayerCube 2: Sauerbraten offers a game mode for more than one player.
    ⚫︎ PortableCube 2: Sauerbraten can be used from a USB stick or similar with no prior installation.
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  3. Enemy Territory: Legacy icon

    Enemy Territory: Legacy

    • FreeOpen Source
    • Mac
    • Windows
    • Linux

    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.

    ⚫︎ MultiplayerEnemy Territory: Legacy offers a game mode for more than one player.
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  4. Liblast icon

    Liblast

    • FreeOpen Source
    • Windows
    • Linux

    A Libre Multiplayer FPS Game built with Godot game engine and a fully FOSS toolchain.

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Showing 4 of 4 alternatives