Is Gaea standalone or a plugin? February 13, 2019 19:01 Updated Gaea is a standalone application for Windows. Please see the main website for complete details on what Gaea can create for you. Related articles Can I get a refund for my purchase? Can I share or sell the content I create with Gaea? There is a large X on my build! How can I remove that? Do I need to pay a maintenance fee?