Halo 4 is the seventh installment of the best-selling Halo franchise. The game was developed by 343 Industries, a Microsoft owned internal development studio. Halo 4 is the first game in the Reclaimer Saga, and is the sequel to Halo 3. Halo 4 was released on November 6, 2012 for the Xbox 360. - Summarized from Halo Nation.