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Atmospheric FPS Metro 2033 can be yours at no cost if you head over to Facebook and like THQ’s page.
You’ll be promoting the new Metro: Last Light game to your friends by doing so, with the free game download being your reward.
Once you’ve liked the page you’ll be sent a code – while supplies last – which can be redeemed on Steam.
Alternatively you can snap up the rather great Humble THQ Bundle, which includes Metro 2033 and a host of other games.
Source: Facebook