Valve's Dota 2 tournament, The International 4, reached more than 20 million viewers online and in the game client.

During the Grand Finals, The International peaked at more than 2 million simultaneous viewers. This "does not include ESPN , MTG Europe, or CCTV China TV coverage," a Valve representative told IGN.During TI4, Valve unveiled a new Dota 2 Hero, Techies , and a new Champion was crowned , taking home more than $5 million. Valve's Erik Johnson spoke with IGN about how The International has changed Valve forever , the future of new Dota Heroes , and making new games If you weren't part of the event, you can watch every match from The International this year on IGN. For more MOBA coverage and conversations, subscribe to IGN Arena

Mitch Dyer is an associate editor at IGN. He's trying to read 50 books in 2014. These are the 50 . Talk to Mitch about books and other stuff on Twitter at @MitchyD and subscribe to MitchyD on Twitch