Watch Live Twitch Gaming - "Dota 2". Dota 2 is a multiplayer online battle arena (MOBA) game developed by Valve. The game is a sequel to Defense of the Ancients. Dota 2 is played in matches between two teams of five players, with each team occupying and defending their own base on the map. Each of the ten players controls a powerful character, known as a "hero", who all have unique abilities and differing styles of play... 100's of Twitch Gaming Livestreams from Around the World on IMVBox.com.