Epic Games has released a mandatory booster pack for Gears of War 3 which will provide players with 5 additional maps for public versus play mode.
The maps included are Azure, Bloos Drive, and Rustlung from the Horde Command Pack as well as two entirely new maps; Bulletmarsh and Clocktower. As mentioned before, this pack is free of charge, although it will cost you 237.67MB of memory.
Download the map pack today and enjoy! If you haven't checked out Gears of War 3 yet, read our review here.
Source: Xbox Marketplace