 Dota 2 includes a matchmaking system , which is measured by a numerical value known as " matchmaking rating " ( MMR ) . MMR is updated based on if a player 's team won or lost , which will then increase or decrease , respectively . The game 's servers , known as the " Game Coordinator " , attempts to balance both teams based on each player 's MMR , with each team having roughly a 50 % chance to win in any given game . Ranked game modes with a separately tracked MMR also exist , which differ from unranked games by making MMR publicly visible , encouraging players who want to play in a more competitive environment , among other changes . The game also includes a report system , which allows for players to discourage and punish player behavior that intentionally provides a negative experience . Other features include an improved replay system from Defense of the Ancients , in which a completed game can be downloaded in @-@ client and viewed at a later time , and the " hero builds " feature , which provide integrated guides created by the community that highlight to the player on what items should be bought on their hero , and which abilities to level up . 
 Dota 2 <a href='uninflect' title='1'><mark>includes</mark></a> a matchmaking system , which is measured by a numerical value known as " matchmaking rating " ( MMR ) . MMR is updated based on if a player <a href='null_genetive' title='2'><mark>'s</mark></a>team won or lost , which will then increase or decrease , respectively . The game <a href='null_genetive' title='3'><mark>'s</mark></a>servers , known as the " Game Coordinator " , <a href='uninflect' title='4'><mark>attempts</mark></a> to balance both teams based on each player <a href='null_genetive' title='5'><mark>'s</mark></a>MMR , with each team having roughly a 50 % chance to win in any given game . Ranked game modes with a separately tracked MMR also exist , which differ from unranked games by making MMR publicly visible , encouraging players <a href='null_relcl' title='6'><mark>who</mark></a>want to play in a more competitive environment , among other changes . The game also <a href='uninflect' title='7'><mark>includes</mark></a> a report system , which <a href='uninflect' title='8'><mark>allows</mark></a> for players to discourage and punish player behavior <a href='null_relcl' title='9'><mark>that</mark></a>intentionally <a href='uninflect' title='10'><mark>provides</mark></a> a negative experience . Other features include an improved replay system from Defense of the Ancients , in which a completed game can be downloaded in @-@ client and viewed at a later time , and the " hero builds " feature , which provide integrated guides created by the community <a href='null_relcl' title='11'><mark>that</mark></a>highlight to the player on what items should be bought on their hero , and which abilities to level up . 
Dota 2 include a matchmaking system , which is measured by a numerical value known as " matchmaking rating " ( MMR ) . MMR is updated based on if a player  team won or lost , which will then increase or decrease , respectively . The game  servers , known as da " Game Coordinator " , attempt to balance both teams based on each player  MMR , with each team having roughly a 50 % chance to win in any given game . Ranked game modes wit a separately tracked MMR also exist , which differ from unranked games by makin MMR publicly visible , encouraging players want to play in a more competitive environment , among other changes . Tdagame also include a report system , which allow for players to discourage and punish player behavior intentionally provide a negative experience . Other features include an improved replay system from Defense of the Ancients , in which a completed game can be downloaded in @-@ client and viewed at a later time , and the " hero builds " feature , which provide integrated guides created by the community highlight to thdalayer on wht items should be bought on their hero , and which abilities to level up .