The Potato Fools Day ARG resulted in an early unlock for Portal 2, but the clever tricksters at Valve have shown how far ahead they planned by hiding ARG notes inside the game itself. The ARG Wiki ...

For the last two weeks, Two Tribes has worked together with Valve and eight other indie developers on the Portal 2 ARG. Today, Two Tribes has announced that "murderous GLaDOS" has invaded both Toki ...

Alternate Reality Games, or ARGs, tend to be deviously complex, and Valve Software‘s latest is now exception: they are sending out a series of elaborate glyphs embedded in images to multiple gaming ...

Portal 2 easter eggs have exposed plan outlines for the Potato Fools Day ARG, an image of the Companion Cube, and an interactive trailer for the movie Super 8. Valve is letting users earn early access ...