World of Tanks, the free game from Wargaming.net now has more than 18 million players, the game being initially released in Russia on August 12, 2010. Now, World of Tanks has servers in Europe, Asia and North America, and it has a Guinness record for the biggest number of online players at the same time on a MMO server.
The action of the game takes place in the second world war, where gamers take part in tank battles, and they have to choose between a arsenal of more than 150 vehicles built by the Soviet Union, Germany and America.