You may want to install this extension, as it will allow you to select which GPU that you are using, you might find it handy.
https://extensions.gnome.org/extension/1275/prime-indicator/
Also, you may not be aware of how gaming in Linux works with Steam. Install Steam, login to your steam account.
Go to Steam settings, compatibility tab, make sure steamplay is enabled. Click on force PROTON verison. Select the version 6 series to begin with.
Buy and or install your games from your games library. Then go to launch the game, if the game doesn't launch properly by the globally chosen PROTON version, right click the game in question, go to properties, select a lower version.
Try each one until the game launches and runs properly, then you will found the right one, game should run well.
Some games come with DRM, any game that comes with DRM is unlikely to run on Linux regardless of PROTON version. DRM(Digital Rights Management) applies to Windows only, so its a no go.
Hello there, yes I know, amazingly quick response right? Fast you've seen right? Thats cause I am good. HAHA!



