I’ve also been using itch since I figured it out, the lack of Linux interest in GOG.
The native client works well on Mint.
https://itch.io/app
But GOG keeps advantages.

Gamehub is a nice alternative as well, lets you link accounts from GOG, Steam, Humble, and itch.io. Also lets you choose which OS version of the game you want to install which is nice if one version doesn't run as well. Also lets you pick which wrapper you want to use to run the game even after you install everything.

This one I did not know. Thanks for the suggestion!

allow me to add the link:
https://tkashkin.tk/projects/gamehub/

I thought it was a web site. But it's something like Lutris. Intriguing.

Unfortunately, this is a simple Galaxy for Linux.
I didn’t know either, I found out here.

I also discovered your Youtube channel.
I do not understand what you are saying, but I see the past played in the future;)
And this is cool.
There will always be people who will find it complicated to change the OS, on a new computer.
But we are growing in number, thanks to easy-to-use distributions and people who make it known.
I like what you do, bravo.

Oh, my friend, thanks a lot. I'm also the Brazilian developer of PCLinuxOS, I'm a packager for the distro, and I make ISO's for the Brazilian community. Our community site is: http://www.pclinuxosbrasil.com.br/

If you liked my channel, I make everything on Linux, the games, the voice over and the video editing.
And I would like to ask you to subscribe and like the channel, it's very important. Let's see if one day I can make some bucks on You Tube.

Ok ?

Regards,