Valve has launched the latest update to Team Fortress 2, adding the "Mann Vs Machine" mode where up to six players can battle against hordes of AI controlled robot enemies.
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Mann vs Machine, the long-rumored update for Team Fortress 2, has been confirmed to release in just over a day by an official Valve trailer.
After two mysterious updates were released for Team Fortress 2 by Valve, we take a look at some fan theories and discuss the possibilities of new updates.