The title of this article is conjectural.
Although this article is based on official information, the actual name of this subject is pure conjecture.
This article contains spoilers. Read at your own risk!
It might spoil your gaming experience when first playing the related games.
It consisted of finding Portal 2 references in the 13 indie games of the pack The Potato Sack.
April 5, 2011
Two images can be found hidden in the informational video Aperture Investment Opportunity #3: "Turrets" uploaded by Valve on their YouTube channel on April 5, 2011, at the 38th second.
Here's Da Beens, Dougtato:
You found many.
Find the rest.
Another image shows turrets and code of the text "Also... superdinoman's mom".
What follows is the TGAs found in the files of the Potato Sack games.
- Valve PotatoFoolsDay ARG Wiki - dedicated to gathering all the information provided by the PotatoFoolsDay ARG