Call of Duty: Modern Warfare 2

Call of Duty: Modern Warfare 2^[9] (also referred to as simply Modern Warfare 2^[10] or Call of Duty 6) is a first-person shooter video game developed by Infinity Ward and published by Activision for Microsoft Windows, PlayStation 3, and Xbox 360. Officially announced on February 11, 2009,^[11] the game was released worldwide on November 10, 2009.^[12] It is the sixth installment of the Call of Duty series^[13] and the direct sequel to Call of Duty 4: Modern Warfare, continuing along the same storyline.^[11][14] It was released in conjunction with two other Call of Duty games: Call of Duty: Modern Warfare: Mobilized for the Nintendo DS,^[15] and Call of Duty: Modern Warfare: Reflex, a port of Call of Duty 4 adapted by Treyarch for the Wii console.^[16] In addition, a comic book series based on one of the game's characters will also be produced, entitled Modern Warfare 2: Ghost.^[17]

Modern Warfare 2 has received highly positive reviews from various gaming websites, attaining a 94% aggregate score on Metacritic, with praise stemming primarily from its in-depth multiplayer component. Upon its release, the game sold approximately 4.7 million copies worldwide in 24 hours.^[18]