THQ has released a new live action trailer for their upcoming action horror game Metro: Last Light.

Titled "Enter the Metro", this short film shows us the minutes just before we enter the Moscow Metro – a monumental feat of Soviet engineering designed to serve as a refuge in the event of an atomic attack. Of course, there was a dark secondary purpose, forgotten by most, but remembered by a few. Waiting for the signal, the vaults of the last refuge for mankind, are now opening.

If the world was going to hell, and people are about to start living underground, this trailer depicts what it will be like in those final moments. As this is a live action trailer, no gameplay is shown, but that doesn't meant we can't get a good idea Metro Last Light.

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Metro: Last Light, a sequel to 2010's Metro 2033 (based on the novel Metro 2033 by Russian author Dmitry Glukhosvky), is a combination of survival horror and first-person shooter. While the predecessor took place mostly inside the metro system, this short film seems to indicate that the gameplay might move outside – into the light of the post-apocalyptic Moscow.

Players will return as Artyom as the last hope for mankind's survival.

Beneath the ruins of post-apocalyptic Moscow, in the tunnels of the Metro, the remnants of mankind are besieged by deadly threats from outside – and within. Mutants stalk the catacombs beneath the desolate surface, and hunt amidst the poisoned skies above. But rather than stand united, the station-cities of the Metro are locked in a struggle for the ultimate power, a doomsday device from the military vaults of D6. A civil war is stirring that could wipe humanity from the face of the earth forever. As Artyom, burdened by guilt but driven by hope, you hold the key to our survival – the last light in our darkest hour…

Metro: Last Light is expected to release in early 2013.