Attention PC gamers! If anyone out there hasn’t yet played the great Metro 2033 now’s your chance. Nvidia are giving out 1000 keys to download the game on Steam; Every day until Christmas Eve. EVERY. SINGLE. DAY. Presumably Nvidia is trying to drum up some interest for the franchise ahead of the release of Metro: Last Light, after the sequel was heavily delayed due to THQ’s problems of late, and let’s face it, this can only help the ailing developer further after the success of it’s Humble Bundle too. All you need to do to get your key is like Nvidia’s Facebook page, and keep your eye holes peeled.