THQ have just announced that they will be giving game codes for Metro 2033 for free, all you have to do is like their Facebook Page.

Yup that’s it simply click the like button on the Metro Facebook page and a key will appear that will allow you to unlock the full game on Stream which, THQ are also allowing you to sign up for updates on the games sequel, Metro: Last Light which is expected to hit store in March 20133 for the PC, Cboc 360 and PlayStation 3.

Of course if you have already purchased the THQ Humble Bundle you probably won’t need to.

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