Call of Duty: Modern Warfare 3 is a 2011 first-person shooter video game, developed by Infinity Ward and Sledgehammer Games (Treyarch for the Wii version), with Raven Software having assisted in development and published by Activision. It is the third installment in the Modern Warfare saga, a direct sequel to 2009's Call of Duty: Modern Warfare 2, and the eighth Call of Duty installment.The game was released on November 8, 2011 in North America on Microsoft Windows, Xbox 360, PlayStation 3, and Wii, with a separate version for Nintendo DS developed by n-Space. In Australia, the Wii version was released on November 23, 2011. In Japan, Square Enix handled the installment with a separate subtitled and dubbed version, as they did for Call of Duty: Black Ops, released November 17, 2011 and December 22, 2011 respectively. Within 24 hours of going on sale, the game sold 6.5 million copies in the U.S. and UK alone and grossed $400 million, making it the biggest entertainment launch of all time, until it was surpassed by its sequel, Call of Duty: Black Ops II in November 2012 with $500 million. As of November 5, 2013, Modern Warfare 3 has sold 26.5 million copies.