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    How many GB is Marathon Server Slam? File sizes for all platforms explained

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    Runfyers
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    Marathon Server Slam kicked off on February 26, 2026, for PC, PS5, and Xbox Series X|S players. This is essentially a stress test or beta test of the game ahead of its full launch on March 5, 2026. Players will get to enjoy a portion of the game for free. Since it is a free test, the playercount could be high. Naturally, many remain curious about the server slam’s file size.

    Therefore, this article will go over the Marathon Server Slam file size and explain how big it is.

    Marathon Server Slam: File size for PC, PS5, and Xbox Series X|S explained

    Here is the size of the Marathon Server Slam on all the available platforms:

    • Steam: 15.7 GB (Install size – 17 GB
    • PS5: 17.8 GB (Install size – 21.5 GB)
    • Xbox Series X|S: 17 GB

    The server slam supports crossplay and cross-save, which is brilliant for players who want to try the game on multiple platforms. Unfortunately, the game will not let you carry your progress into the full release.

    However, if you make enough progress, you can unlock various rewards that can be claimed once Marathon releases on March 5, 2026. The rewards are as follows:

    Complete your first mission – Unlock the Standard Arrival Cache

    • Standard implants (6x)
    • Standard Runner shell cores (4x)
    • Standard weapon chip mods (6x)
    • Weapons: Overrun and Hardline

    Reach Runner Level 10: Unlock the Enhanced Arrival Cache (Green)

    • Enhanced implants (6x)
    • Enhanced Runner shell cores (2x for each shell, 12x total)
    • Enhanced weapon chip mods (4x)
    • Weapons: Enhanced Magnum and Enhanced Hardline

    Reach Runner Level 30: Unlock the Deluxe Arrival Cache (Blue)

    • Deluxe and Enhanced implants (3x each, 6x total)
    • Deluxe and Enhanced Runner shell cores (1x each for each shell, 12x total)
    • Deluxe and Enhanced weapon chip mods (2x each, 4x total)
    • Weapons: Deluxe Magnum and Enhanced Volley Rifle
    • Backpack: Enhanced Base Backpack

    The Marathon Server Slam is a beta test. This means login issues, long queue times, and errors may be common. In case of persistent errors, players should keep an eye on the official channels to remain updated about the server’s status.

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