Raven Software collaborated with id Software, the creators and developers of preceding Quake games. id Software supervised the development of the game as well as providing the id Tech 4 engine upon which it was built. Quake 4 went gold in early October 2005 and was released on October 18, 2005 for Microsoft Windows and later for Linux and OS X, as well as being a launch title for the Xbox 360. A special DVD Collectors Edition was released, including promotional material and the game Quake II with its expansions, The Reckoning and Ground Zero.