Conina on 05 April 2015
Left4Dead 2 more than 11 million owners
HalfLife 2 more than 8 million owners
Skyrim more than 8 million owners
Civilization V more than 7 million owners
Portal 2 more than 6 million owners
Borderlands 2 more than 4 million owners
CoD Modern Warfare 2 more than 4 million owners
Grand Theft Auto IV more than 3 million owners
Fallout New Vegas more than 3 million owners
Tomb Raider (2013) more than 3 million owners
