Get Half-Life for FREE on Steam. Free to keep when you get it before Nov 20 @ 12:00pm. Don't miss out! This game is normally $9.99. Plus, the other Half-Life games are on sale currently so the party doesn't end just yet. Click here to check 'em out.

About This Game:

Named Game of the Year by over 50 publications, Valve's debut 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.