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.
Finally a source for everyone desperately looking for the Elusive Beta v6.5! Thanks to Marc for getting me the file, and for the CL team for making the mod in the first place. -Gabesthablade