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.
A short map by Priv. You get to fight your way through the crashed train.
Bro's where's screenshots?
They're just shovelling other people's work from other sites into the addons section. Screenshots would be too much effort.