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? Does the extension use my personal data? Comments 0 comments Article is closed for comments.