Friday the 13th isn't just a day to release terribad movies. It's also the perfect opportunity to promote zombie video games and Valve is doing just that by offering Left 4 Dead for half off the normal retail price on Steam.
(Left 4 Dead, PC, Xbox 360)
Now - Join our annual game as we countdown to the Oscars. Do well enough and you can even find yourself walking away with cold hard cash! | Promoted post
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