World of Tanks is a massively multiplayer online game developed by Belarusian company Wargaming. net featuring mid-20th century era fighting vehicles. It is built upon a freemium business model where participants have the option of paying a small fee to advance at an accelerated rate. The focus is on player vs. player gameplay with each player controlling a tank or armored vehicle. World of Tanks debuted as an eSports game at the World Cyber Games 2012.