this post was submitted on 20 Jan 2026
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Linux Gaming
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Are you running the game through Steam or through Heroic Games Launcher? (Or lutris or bottles?)
Is your launcher of choice a flatpak install or native?
Which Proton version? The protondb seems to have multiple people running Cachyos saying they ran it succesfully with proton-cachyos-10 versions.
If you launch the game with PROTON_LOG=1 %command% you get logs to check through
https://www.protondb.com/help/troubleshooting-faq#how-do-i-create-logs-of-a-game-i-run-with-proton
Without logs we're just guessing. In addition to Proton logs, check the system journal aswell. 'journalctl' is the command for it. If I would be forced to guess, GPU driver bugs do often cause system to freeze. While at it, you could enable MagicSysRq if CachyOS hasn't enabled it for you, and use REISUB to try to recover. Arch wiki will guide you with these better than I could.