What is the most played game for PC currently?

On July 11 the American magazine Forbes has shown that most PC game currently played in the world is the League of Legends which although very new is winning thousands of people day-to-day with his style of play RTS

The game is now the most played in North America and Europe and is almost hitting the giant StarCraft II in Korea, in fact the League of Legends is a game that has come to stay.

Studies indicate that 14,5% of online game players play Leage of Legends, World of Warcraft is right behind with 8,56%.

Raptr Report (2013)

And here you can see how many this games are played (OBS: these are information 2011 - 2012)
                                                         The numbers are not including Asia.

                                                                v                           Game                   Hours Played in one year