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The game is launched, single player and co-op campaigns are played through... I believe not. In this article I am going to speculate on what I believe is yet to come. Please, keep in mind that I am writing it assuming you have finished the game and therefore all matter of spoilers are to be found in the following paragraphs. If you haven't played Portal 2 yet, do yourself a favor and do it first. If you don't mind, however, hear out what I think is coming soon.