Well, it would seem that the developers might be deep into Portal 2's development cycle, as we hear that an alleged voice actor casting call at Breakdown Express is looking for someone to voice a new character in Valve Software's "new game" in the Portal series. In light of this, an anonymous tipster provided privied information to Kotaku, and if you're not a fan of leaked spoilers, you might not want to click on "Read more..." just yet.

A Valve developer over at San Francisco's GDC grounds has confirmed that Portal 2 is in the company's plans. That aside, the developer also provided some interesting tidbits over how the game started out.

You can view them over in the video in the full article by clicking the "read more" link below.