4A Games and THQ are giving away free copies of Metro 2033 today on the Metro page on Facebook!
Metro 2033 is a first person shooter / survival horror set in a post-apocalyptic future Moscow, based on the novel of the same name by Russian author Dmitry Glukhovsky.
The sequel, Metro: Last Light (formerly Metro 2034) is due in March 2013, for PC, Xbox 360 and PlayStation 3. Although included in the Wii U showreel at the 2011 E3 show, 4a Games have stated that there will not be a Wii U version of the game, instead focusing on the versions under development.