Yes, I’m afraid so too. The first episode was visually stunning, but the second episode was no longer at the same level. We’ll have to wait and see.

For gaming you can just use steam. You can see which game works and the corresponding distributions/configurations on ProtonDB; Helldivers 2 get’s a GOLD status (https://www.protondb.com/app/553850).

Taiga (https://taiga.io/) could be what you’re seeking.

Important addition: You’ll have to set browser.urlbar.update2.engineAliasRefresh to true in about:config to see the option to add search engines via URL. Otherwise you’ll just see the option to remove them and a link to the add-ons page.