RobTop Games has not released an official browser-based "IO" version of Geometry Dash on GitHub. Any repository you find using this keyword is a , reverse-engineered project, or "demake."
GitHub - geode-sdk/ios-launcher: Manages installing and launching Geometry Dash for iOS. GitHub. geode-sdk/ios-launcher: Manages installing and ... - GitHub geometry dash io github
GitHub is a central hub for the Geometry Dash modding and development community: Geometry Dash RobTop Games has not released an official browser-based