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The PotatoFoolsDay ARG is the second alternate reality game (or ARG) created by Valve to promote Portal 2, following the original Portal ARG.

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 37th second.

The first image features the portrait of Cave Johnson. In the foreground expression and different text can be seen, along with a code of the following text:

Here's Da Beens, Dougtato:

You found many.
Find the rest.


Another image shows turrets and code of the text "Also... superdinoman's mom".

MiKaXsUs and superdinoman are YouTube users making Valve-related videos.


What follows is the TGAs found in the files of the Potato Sack games.

External links[]