Nvidia giving out free Metro 2033 keys on Facebook | News | PC GamerHappy bleak post-apocalyptic holidays! Hardware giant Nvidia is giving away free digital copies of Metro 2033 in exchange for hitting the “Like” button on its Facebook page. The promotion lasts until into Christmas Eve.
4A Games’ atmospheric shooter is one of many high-quality games, such as Portal and Amnesia: The Dark Descent, that are turning up in sweeping sales events and bundle sales at a heavy discount. Its upcoming sequel, Metro: Last Light, took a few delays as THQ struggled with financial difficulties, but it still seems to hold the same excellent scares and Russian expletives as its predecessor.
if it does not work, then log into FB and click on the URL below. You'll have to like the pag that appears after which the key will be revealed. Game is on Steam AFAIK