World of Tanks is a team-based massively played multiplayer online game featuring tanks from the World War II era. the 1930s to the 1950s. World of Tanks includes more than 500 armored vehicles from China,the Soviet Union, Germany, the United States, France, Britain, Japan,Italy, Sweden, Poland, Hungary, and Romania. The vehicles have been carefully detailed with historical accuracy. Eventually, there will be around 500 vehicles available in the game. World of Tanks was released on April 12, 2011 in Europe and North America. There has been a mobile version of the game, World of Tanks Blitz