Many people are wondering how to fix Ultrakill crash on Steam Deck, so we've done some research and addressed this for you below.

Ultrakill is already verified for the Steam Deck, however, there is a crashing issue right now, so if you don't know how to fix it, just keep reading.


Here's a guide to fixing Ultrakill crashes on Steam Deck:

How to fix Ultrakill crashing on Steam Deck
Basic Fixes:



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  • Force Proton Version:
Go to Ultrakill in your Steam Library.
Press the "..." button (or right-click) and select "Properties."
Navigate to the "Compatibility" tab.
Check "Force the use of a specific Steam Play compatibility tool."
Experiment with different Proton versions from the dropdown menu.

Verifying Game Files:


  • Go to Ultrakill's "Properties" (same steps as forcing Proton).
  • Navigate to the "Local Files" tab.
  • Click "Verify integrity of game files" and wait for the process to finish.

Advanced Fixes (Try these if basic fixes fail):


  • Switch to SteamOS Beta:

Press the Steam button and select "Settings."
Scroll down to "System" in the sidebar.
Find "Beta Participation" and click on it.
Select "Beta" from the update channel options.
Restart your Steam Deck (be aware Betas might be unstable).
Reinstall Ultrakill: If none of the above work, uninstall and reinstall the game completely.

Community Help:


  • If none of these solutions work, consider joining the official Ultrakill Discord server and ask for help from the community.

Additional Notes:


  • Start with the basic fixes and work your way up to the advanced solutions.
  • Experiment with different Proton versions to see which works best for Ultrakill.
  • Joining the Ultrakill Discord server allows you to connect with other players who might have encountered similar issues and found solutions.
By following these steps, you should be able to get Ultrakill running smoothly on your Steam Deck and experience the fast-paced action without crashes.

So we come to the end of our guide on How to fix Ultrakill crash on Steam Deck, hoping that it has been as helpful as possible.


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