World Of Tanks
Developed by Wargaming, World Of Tanks is an online multiplayer featuring early to mid-20th century fighting vehicles. The game is free-to-play, but players have the option of paying a fee for use of premium features such as tracks, guns, turrets, and engines to modify and upgrade their vehicles. Players control an armored vehicle, light, medium or heavy tank and is placed into a battle on a random map and takes control over the vehicle's movement, firing, and can communicate with other players through typed or voice chat. In 2013, the microtransaction revenue of World of Tanks surpassed that of World of Warcraft, earning $372 million and ranking fourth highest amongst online game revenues.