The game sees a return to the first Portal's Aperture labs, now in a sad state of disrepair following the demise of the villainous GlaDos
She is still rattling around inside the Aperture Science lab, but the pristine interiors of the first game are now debris-strewn and cracked after the fall of GLaDOS, the deranged and unstable lab keeper.
While the player is soon reintroduced to the monotone ramblings of GLaDOS, it is the arrival of spherical, one-eyed robot Wheatley which sparks the game to life.
The player assumes the role of a test subject in a laboratory, charged with testing the portal device by an artificial intelligence, GLaDOS
Recently named the most anticipated game of 2011 at the Spike TV Video Game Awards, and releasing worldwide in April 2011, Portal 2 will see players introduced to a host of fresh puzzles, devious new test chambers in never-before-seen areas of Aperture Science Labs and be reunited with GLaDOS
, the occasionally murderous computer companion from the original Portal.