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.
Made in late 2009, a small map by a rather new mapper but comfortably cemented in his own aesthetic style. Its interesting but short glimpse into derelict bunker.
The original download for this is still up on this very site.
Moddb.com