I’m gonna throw the rythm game Osu! into the ring. The lazer client works natively on linux and is available in the AUR. (The -bin version is required for score submission).

Project repo on GitHub

No. Sadly they lack the security requirements for GOS. Source

Lets see how much better it will run when Linux comes into the picture.

Small note on Revolt: You can’t chat with other people which are on other servers. Revolt does not federate and is not encrypted!