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KSP2 Redux can run on Linux through Proton. This page focuses on launching and troubleshooting the game itself.
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<Asidetype="tip"title="Steam Launch Required">
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If you are using the Linux version of the Updater, open **Settings** and enable **Launch through Steam** if you want to be able to launch the game from the Updater.
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</Aside>
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## Recommended Setup
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- Add or launch Redux through Steam.
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- Force a Proton compatibility setup for the game.
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- If the game is unstable at startup, start with windowed launch options first.
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Reported working Proton versions include:
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-`GE-Proton`
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-`GE-Proton 10-27`
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-`Proton Experimental`
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-`Proton 10`
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If one Proton version gives video or startup issues, try `GE-Proton` first.
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## Launch Options That Help
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Some Linux users reported better stability when forcing windowed startup.
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Recommended launch arguments to try:
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```text
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-popupwindow
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```
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Other reported working options:
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```text
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-window-mode exclusive -screen-fullscreen 0
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```
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Notes:
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-`-popupwindow` was reported to reduce startup crashes on some systems.
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- Some users needed the game to start windowed first, even if it later switched into fullscreen successfully.
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- If the game crashes immediately or opens to a black screen, test one of the options above before changing anything else.
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## Known Working Reports
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The following Linux environments were reported to work by community members:
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- Arch Linux with Hyprland using GE-Proton
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- Nobara using GE-Proton
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- Bazzite / Fedora Atomic using Proton
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- Linux Mint 22.3 using GE-Proton 10-27
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- Pop!_OS 24 using Proton 10
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## Troubleshooting
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### Startup Crashes
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Try these steps in order:
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1. Force `GE-Proton`, for example `GE-Proton 10-27`.
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2. Add `-popupwindow` to launch options.
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3. If that does not help, try `-window-mode exclusive -screen-fullscreen 0`.
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### Videos or Intro Playback Issues
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Some Linux users reported that default Proton builds had trouble with videos, while `GE-Proton` worked correctly. If the game launches poorly or hangs early, switch Proton versions before deeper troubleshooting.
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