<Tr> <Th> Mode (s) </Th> <Td> Single - player, multiplayer </Td> </Tr> <P> Call of Duty: Modern Warfare 2 is a first - person shooter video game developed by Infinity Ward and published by Activision . It was released worldwide on November 10, 2009 for Microsoft Windows, the PlayStation 3, and Xbox 360 . A version for OS X was developed by Aspyr and released on May 20, 2014 . It is the sixth installment of the Call of Duty series and the direct sequel to Call of Duty 4: Modern Warfare, continuing the same storyline . 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 . </P> <P> The game's campaign follows the Task Force 141, a special forces unit fronted by Captain Soap MacTavish, as they hunt Vladimir Makarov, leader of the Russian Ultranationalist party, and the United States Army Rangers, who are defending the country from a Russian invasion . The game's main playable characters are Gary "Roach" Sanderson, of the 141, and James Ramirez, of the Army Rangers, with Captain MacTavish becoming playable later in the campaign . An expansive multiplayer mode is featured in the game, with several new features and modes that were not seen in its predecessor . </P> <P> Development for the game began in 2008, when it was still known as Call of Duty 6 . It uses the IW 4.0 engine, an improved version of Call of Duty 4's IW 3.0 . Infinity Ward was inspired by real - life conflicts when developing the campaign mode . They initially tested the multiplayer mode by playing an in - house beta version of the game . Modern Warfare 2 was officially announced on February 11, 2009 . Teasing of the game began in March, with short trailers being released for the game and, eventually, a full reveal trailer . The multiplayer mode was revealed shortly after . Two downloadable content packs were released for it post-release, each containing four new maps . </P>

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