KODU is a visual programming tool that allows users to create video games without manual coding. It introduces programming concepts such as objects, properties, and methods in a fun and intuitive way. Users can edit game worlds by adding terrain, objects, and programming object behaviors. The tool encourages exploration of programming through a simple controller-based interface. Users can play, edit, and create their own games or customize sample games provided. Advanced settings and options allow saving and sharing of created games. More information and free development software can be found on the Microsoft Research website.