Call of Duty: World at War is a first-person shooter video game developed by Treyarch and published by Activision for PC, PlayStation 3, Wii, and Xbox 360.
It is generally considered to be the fifth mainstream game of the Call of Duty series and returns the setting to World War II. The game was released in North America on November 11, 2008, and in Europe on November 14, 2008. A Windows Mobile version was also made available by Glu Mobile and different storyline versions for the Nintendo DS and PlayStation 2 were also produced, but remain in the World War II setting.
The game is based on an enhanced version of the Call of Duty 4 game engine developed by Infinity Ward with increased development on audio and visual effects.