Going by unique users who connected to Xbox Live between January 1, 2011 and December 31, 2011, Black Ops reigned supreme, followed by Call of Duty: Modern Warfare 3, Modern Warfare 2, Halo: Reach and Battlefield 3. The first person shooter streak was stopped at #6 with Skyrim, followed by Gears of War 3, FIFA 12, FIFA Soccer 11, and Madden NFL 12 rounding out the top 10.