Experience the best-selling first person shooter video game Call of Duty: Modern Warfare 3 on Xbox 360. COD: Modern Warfare 3 is the third installment in the Modern Warfare series of the Call of Duty franchise. Set in the near-future, Modern Warfare 3 features conflict of mostly American forces with those of the Russian Federation around the globe. Experience multiplayer gameplay, a 2-player co-op option, play modes, weapons and more.