Portal 2's Biggest Secrets
Posted by IGN Apr 21 2011 00:29 GMT in Portal 2
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Caution: Portal 2 spoilers ahead. If you raced through Portal 2's single-player mode just to see the (incredibly awesome!) ending, you probably teleported right past some cool secrets. Tucked into Aperture Science's cobwebby recesses are hidden areas that shed light on Aperture's past and the ...



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