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 the same storyline. The Xbox 360 version was made backward compatible for the Xbox One in 2018. A version for OS X was developed by Aspyr and released on May 20, 2014. It was released worldwide on Novemfor Microsoft Windows, the PlayStation 3, and Xbox 360.
Call of Duty: Modern Warfare 2 (often referred to simply as Modern Warfare 2) is a first-person shooter video game developed by Infinity Ward and published by Activision.