Halo 4 Crimson Map Pack Available Now

First of three Halo 4 war games map packs delivers all-new competitive multiplayer environments and introduces Extraction to Xbox LIVE online matchmaking
Microsoft and 343 Industries announced that Halo 4 Crimson Map Pack has been released for 800 Microsoft Points. Featuring three new environments for you to wage battle on Xbox LIVE with friends, the Crimson Map Pack is the first of three upcoming Halo 4 war games add-ons, and includes eight all-new Achievements worth a total of 250 Gamerscore.
Players who purchase the Halo 4 War Games Map Pass or Halo 4 Limited Edition will receive access to all three map packs as they become available in December, February and April at a 15 percent savings versus purchasing them individually.