A: We have in-built support for Steam, GOG Galaxy and Oculus users and are actively working to support other PC stores, consoles and mobile platforms like Epic Games, Microsoft, Sony, Nintendo, Android, itch.io and Discord.
In desktop mode, download the Windows installer from //itch.io/app, add it as a non steam game, configure stable Proton for it, launch it, complete the installer and log in. Open Dolphin, navigate to home/deck/. steam/steam/steamapps/compatdata.