According to site TorrentFreak, the PC version of Crysis 2 was the most pirated game of 2011, having been illegally downloaded 3.9M times. Call of Duty: Modern Warfare 3 and Battlefield 3 followed with 3.6M and 3.5M downloads respectively.
Super Mario Galaxy 2 and Gears of War 3 were the most pirated console titles, downloaded 1.28M and 890K times respectively.
While the numbers seem large, according to estimates, piracy declined in 2011 over 2010.