THQ and 4A Games received lots of praise for bringing the novel Metro 2033 to life with the videogame of the same name. Now they are working on the sequel, Last Light, set to release in March of 2013. The newest trailer is below for the bleak first person shooter where you play as a citizen in a post apocalyptic world where most of humanity survives in subway tunnels, hiding from the creatures that lurk in the shadows. The original Metro 2033 is part of the giveaways this week, and you can help your chances of snagging a copy by commenting below or on any other comment posted this week. Enjoy the trailer.