Dota 2

Dota 2 is a multiplayer online battle arena video game developed by Valve Corporation and the stand-alone sequel to the Defense of the Ancients mod for Warcraft III: Reign of Chaos and its expansion pack, The Frozen Throne. Formally announced on October 13, 2010, via Game Informer, the game is currently available for early test access purchase, with a free-to-play business model when released.