Call of Duty 4: Modern Warfare is a first-person shooter video game developed by Infinity Ward and published by Activision for Mac OS X, PlayStation 3, Windows, and the Xbox 360. It is the fourth installment of the Call of Duty video game series, excluding expansion packs. The game breaks away from the World War II setting of previous games in the series and is instead set in modern times. The game is the first in the series to be rated Mature in North America. The title and game details were announced on April 25, 2007.
