Dota 2 is a free-to-play multiplayer online battle arena (MOBA) video game developed and published by Valve Corporation. The game is the stand-alone sequel to Defense of the Ancients (DotA), a mod for the 2002 video game Warcraft III: Reign of Chaos

Play Now: http://blog.dota2.com/

On Steam: http://store.steampowered.com/app/570/