What format of games can I upload? Michelle October 26, 2023 00:00 Updated We support HTML5, Java, and WebGL files. We also support additional files through an iframe. Related articles What are the guidelines for uploaded content? How much revenue does Kongregate share? What is the maximum game size I can upload? What can cause my game to be deleted entirely or unpublished? How can I earn advertising revenue for my game? Comments 0 comments Please sign in to leave a comment.