Description

Some interesting facts about the game and VALVe itself.

It's some kind of interactive magazine/article about "last hours of creating Portal 2".

More info at Steam Store ; )

thanks

13 years ago
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This digital book is awesome!

13 years ago
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Thanks for the giveaway and good luck everyone!

13 years ago
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Thanks for the Final Hours!

13 years ago
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Thanks for the giveway!!

13 years ago
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Thanks alot!:D

13 years ago
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Thank you

13 years ago
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Zank you herr doktor!

13 years ago
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thanks

13 years ago
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Thank ye

13 years ago
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Thanks!

13 years ago
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Thanks :D

13 years ago
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Thanks!

13 years ago
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thanks

13 years ago
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thanks.

13 years ago
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Danke!

13 years ago
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Thanks!

13 years ago
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thanks

13 years ago
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thanks!!спасибо!!!

13 years ago
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Thanks :)

13 years ago
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Thanks for the Final Hours!

13 years ago
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thanks

13 years ago
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Thanks for the Final Hours!

13 years ago
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Thanks very much :D

13 years ago
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Thanks

13 years ago
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thanks

13 years ago
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