In the billion dollar streaming industry, Twitch.tv is king, and their monthly results show how popular each game is. New releases and special events, like E3 last month, place occasionally, but League of Legends, CS:GO, and Dota2 take the top 3 spots constantly. Not anymore, new in the top 3 is Hearthstone, even with big Dota2 events going on and with TI5 closing in, Hearthstone has overtaken them. Jason Maestas of twitch.tv blog has all the numbers from June. Check out all the rankings and see how Heroes of the Storm is placing as well. See where they landed here.