The struggle to protect Earth and prevent the end of humanity continues. After defending New York’s Manhattan skyline, freeing the mammoth metropolis of Tokyo, and rescuing the historic and beautiful Paris, your next mission awaits in London. Seven new stages to clear! The battles over the Thames are intense with new, huge enemies swarming the skies. This map pack is for use only in Single Player Mode and Co-op Mode for 2-4 players. Maps are not playable in Capture the Flag or Control Point modes for 2-8 players. There are no refunds for this item. For more information, see www.xbox.com/live/accounts.