Single Player, Xbox Live Multiplayer 1-2, 5.1 Surround Sound, HD (High Definition). Sure, you can defend our way of life for free. For a while. But if you're serious about liberty and committed to dealing out gigajoules of destructive power, there's only one way to go. Buy Heavy Weapon now! There are no refunds for this item. For more information, see www.xbox.com/live/accounts.