Not sure if this is the right place, but this problem never occurred on Manjaro. I installed Brawlhalla from Steam using the Steam Play function. I get this:

When I click play game, I get

Indeed the file does not exist. However, I have it installed:
When I uninstall it, I get an install button. I click it, and it asks me if I want to create a desktop shortcut; I press yes or no and it says it’s done downloading when it couldn’t possibly download that fast… and then I get the same error
