Tinker, also known as Microsoft Tinker, is a puzzle video game developed by Fuel Industries in which the player controls a robot through various mazes and obstacle courses. It was originally released on September 23, 2008, as part of Windows Ultimate Extras, and contained 60 levels, including a 20-level tutorial. A free map editor was also released; however, it is not compatible with the Games for Windows – Live version of Tinker. It is only compatible with the Windows Ultimate Extras version.