seems to work nicely
Donut Country - Unity GetThreadContextFailed crash after each level
Issue transferred from https://github.com/ValveSoftware/Proton/issues/3170.
@xsgb posted on 2019-10-24T21:25:23:
The games crash with a Fatal error in gc dialog, saying GetThreadContext failed. after each level ending dialogue scene.
Start the game, play until the end of one level and the end of the dialog scene.
steam-702670.log
Hello @xsgb, can you check if the game behaves for you with Proton 3.16 or 4.2?
Hi @kisak-valve ! We tried with Proton 4.2 exactly the same problem, the games crashes and closes with the dialog:

The games saves before crash, and after ~15 levels, the crash disappear. My friend says it stopped crashing after each levels from the "Man and the lizard" cinematic.
So when we tried 3.16, there were no crashes.
According to https://devtalk.nvidia.com/default/topic/1044264/linux/415-13-415-18-amp-415-18-02-breaking-unity-engine-games-in-wine/post/5300817/#5300817 415.18.04 is known to fix a similar issue, but there's probably a different case.
proton 4.2x1 2019-10proton 3.16x1 2019-10
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I confirm:
Playbutton in the Steam client is sufficient.Issues