the bigest game of steam company_ with over 960000 online gamers per day

Dota 2 is a free-to-play multiplayer online battle arena (MOBA) video game developed and published by Valve Corporation
( Defense of the Ancients (DotA), which was a community-created mod for Blizzard Entertainment's Warcraft III)
Development of Dota 2 began in 2009 when IceFrog, the pseudonymous lead designer of the original Defense of the Ancients mod, was hired by Valve to create a modernized sequel. Dota 2 was officially released on Steam for Microsoft Windows, OS X, and Linux-based
(((o ensure that enough Defense of the Ancients players would take up Dota 2 and to showcase the game's capabilities, Valve sponsored sixteen accomplished Defense of the Ancients teams to compete at The International, a Dota 2 specific eSports tournament, for a one million dollar prize in 2011.[103] The International became an annual championship tournament in 2012, with the venue changing to Seattle.[104] In its third year, The International allowed crowdfunding to add to its prize pool through an interactive, in-game app called a "compendium".[105] Compendiums, which are optional and must be purchased separately, allow players who buy them to directly raise prize money for The International by spending money on unique compendium cosmetics and other in-game items, with 25% of all the revenue made going directly to the prize pool.[106] Sales from the 2013 compendium helped raise over $2.8 million, making The International 2013 reclaim its previous title as having the largest prize pool in eSports history from the League of Legends Season 2 World Championship.[107][108] Since then, each annual tournament of The International has broken the previous one's prize pool record, with the fourth iteration of the tournament raising nearly US$11 million, exceeding the prizes pools of the Super Bowl, Masters Tournament, and Tour de France.[109] At The International 2015, the prize pool exceeded $18.4 million, earning the champion team, Evil Geniuses, over $6 million)))