Call of Duty 4 – Modern Warfare is a first-person shooter video game, developed by Infinity Ward for Playstation 3, Xbox 360 and Nintendo Wii game consoles and MAC OS X and Microsoft Windows Operating Systems. Published by Activision, the game was released in November 2007 for Microsoft Windows, Xbox 360 and Playstation 3, September 2008 for Mac OS X and November 2009 for the Nintendo Wii.

The game is followed by its sequel – Call Of Duty – Modern Warfare 2 and is the fourth installment of the Call of Duty Franchise.