Named Game of the Year by over 50 publications, Valve's début title blends action and adventure with award-winning technology to create a frighteningly realistic world where players must think to survive. Also includes an exciting multiplayer mode that allows you to play against friends and enemies around the world.

Description

Map has a lot of secret places and a death chamber. Map is also filled with real 'hl1 atmosphere'.

Preview
underx3
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