Last Friday, we debuted Part 1 of Valve's mind-bending comic book, Portal 2: Lab Rat , a tie-in to the upcoming video game. After a long and painful weekend of waiting, it's time to wrap up this story with the second portion of Lab Rat. Time to find out if the cake truly is a lie.

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Make sure to read Portal 2: Lab Rat Part 1 before reading on!What did you hardcore Portal