Upon its release, the game sold approximately 4.7 million copies worldwide in 24 hours. 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. In addition, a comic book series based on one of the game's characters will also be produced, entitled Modern Warfare 2: Ghost. It was released in conjunction with two other Call of Duty games: Call of Duty: Modern Warfare: Mobilized for the Nintendo DS, and Call of Duty: Modern Warfare: Reflex, a port of Call of Duty 4 adapted by Treyarch for the Wii console. It is the sixth installment of the Call of Duty series and the direct sequel to Call of Duty 4: Modern Warfare, continuing along the same storyline. Officially announced on February 11, 2009, the game was released worldwide on November 10, 2009. Call of Duty: Modern Warfare 2 (also referred to as simply Modern Warfare 2 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.
