- Home: https://www2.childrenofur.com/
- State: beta
- Platform: Web
- Keyword: role playing, content open, multiplayer massive + online, requires server
- Code repository: https://github.com/ChildrenOfUr/coUclient.git (@archived, @created 2013, @stars 73, @forks 13), https://github.com/ChildrenOfUr/coUserver.git (archived)
- Code language: Dart, JavaScript
- Code license: MIT
- Assets license: MIT
- Developer: Andy Castille, Brian Grey, Courtney B Reid, Craig S. Cottingham, CraigCottingham, Paul VanKeuren, Robert Blackhart
Code for the server may not be up-to-date. See also Glitch the Game, released source code.