 The Source engine itself was updated with new features to accommodate Dota 2 , such as high @-@ end cloth modeling and improved global lighting . The game features Steam integration , which provides its social component and Cloud storage for personal settings . In November 2013 , Valve introduced a coaching system , which allows experienced players to tutor newer players with special in @-@ game tools . As with previous Valve multiplayer titles , players are able to <unk> live matches of Dota 2 played by others , and local area network ( <unk> ) multiplayer support allows for local competitions . Some of these events may be <unk> via the purchase of tickets from the " Dota Store " , which give players in @-@ game access to both live and completed matches . Ticket fees are <unk> in part to tournament organizers . In an upcoming update , Dota 2 will support <unk> a game in virtual reality ( <unk> ) , powered by <unk> . 
