You Are In Black Mesa Under Ground the surface is 150 miles up.You are still Gordon Freeman and you where going to take a train to the test lab when suddenly the train crashed and some bolders blocked the door to the test lab.You will have to look around to find a way to escape the crashed tram.While Black Mesa Under Ground is breaking apart you have to face different monsters and bolders or rocks might suddenly crash your way to some where or kill some one important. New Weapons. New Monsters. New Maps. Homepage: Download Beta 2 Release:
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