Valve's ongoing potato sack ARG has turned up a treasure trove of Portal 2 concept art. As well as a number of alternative designs for Chell, there are also more than 20 designs for a Portal 2 ...

GameInformer's continuing series of Portal 2 exclusives just revealed new concept art of Portal's heroine, Chell, as well as an extended interview with Valve's Matt Charlesworth aboutthe team's ...

Valve boss Gabe Newell's told 1UP that a Portal sequel will allow the studio to take the entire concept and explore it on a much grander scale. "One of the nice things about The Orange Box was it ...