Which websites are supported? Kinguin Support Team November 18, 2022 12:53 Updated Currently you can see Kinguin offers with the extension on Steam, EA, Epic Games Store, GOG.com and YouTube. Related articles Can I use Kinguin Extension in Steam, EA, and Epic Game Store launchers? How to add Kinguin Extension to my browser? Which browsers are supported? What is this extension for? I want to close/delete my account Comments 0 comments Article is closed for comments.