Quake 4

Quake 4 is a military science fiction first-person shooter video game developed by Raven Software and published by Activision. It is the fourth title in the Quake series and a sequel to Quake II. Raven Software collaborated with id Software, who supervised the development of the game as well as provided the id Tech 4 engine upon which it was built. The game has an increased emphasis on single-player gameplay compared to previous installments;[6] its multiplayer mode does not support playable bots.

Quake 4 went gold in early October 2005 and was released on October 18 for Microsoft Windows, and later for Linux and OS X, 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. The Xbox 360 version of Quake 4 is based on the Special Collectors Edition, and includes Quake II. On August 4, 2011, the game was made available through Steam.