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PhilDeep Do you play Steam games on your Linux OS? I had Linux Mint 20.1, and I got Steam installed. Apparently Cities Skylines can install and run natively in Linux. Well, once I got to playing the game, I kept running into a problem where the simulation would be running at normal speed one second, and then it would get really, really slow, for no reason at all.
The game doesn't do that in windows, but I have heard there are other things you need installed as well so games and such can run more efficiently, but I forget what those things are. And another thing is that I wasn't able to install all Steam games I own, but I heard when you install this other thing, then you can install more Steam games from your library.