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In the beta version of Papers, Please, the recurring character Jorji Costava's ID reference was MR_PERSISTENT
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There is an ISBN13 code at the end of the in-game rulebook (978-0-452-28423-4). It is the same code as the centennial edition of George Orwell's novel 1984.
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Attachment Before release, the developers accepted submissions for names for the game's randomly-generated characters, a decision they later regretted. One of the submitted names was that of Anita Sarkeesian, author of the video blog "Feminist Frequency", but her name was removed when a fan told the developer that her name was used for a stripper.
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Attachment One of the random names for the people at the border checkpoint is Arin Hansonov, a reference to animator and co-host of the webseries Game Grumps, Arin Hanson.

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