You don't have to be a Linux gamer to enjoy Opera's GX browser because it makes for a brilliant regular browser.

Linux Users Gain a Browser That Optimizes Performance for Gaming and Gives Them Control Over The Resources They Use ...

The gaming browser Opera GX is now available for Linux, although I'm still not sure why you would want to actually use it.

Opera has officially announced that Opera GX is now available on Linux with GX Control, built-in VPN, and customization ...

Same features different OS ...

Opera today released the first version of its Opera GX gaming web browser for Linux. Opera GX was previously available on ...

He understands if you're not a fan, though.