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.
(3 maps, +5 multiplayer) By Kanichet Vaiasava and Battle For Life Team. For Thailand Only, English voice language supported.
Installer doesn't work. At least not on Windows 7 64. Please post archive version too.
it works on XP. Just takes about 2 minutes to load.
I've uploaded the archive version: Moddb.com