Portal 2: The Cake Is Still A Lie
With Portal 2 coming out any day now (Friday, Friday, gonna come out on Friday*), a Portal 2 thread seemed appropriate.
Portal 2 is currently set to be released on the 19th in United States, check the official website for other countries. *There is speculation of an early release date, most likely Friday the 15th.
The second (current) Portal 2 ARG.
CAUTION: THIS THREAD WILL CONTAIN SPOILERS. However, if you're posting spoilers BEFORE April 21st (the last countries' release date), please use spoiler tags.