As Portal 2 progresses, ... gel that makes you bounce or run at high speeds, pass over gaping pits with bridges of light and manipulate cylindrical tractor beams.

Like Half-Life 2, Portal was a personal journey, ... There are also now tractor beams and holographic bridges that work in the same way, ...

With Portal 2 ($49.99 for PC, $59.99 for PlayStation 3 and Xbox 360), Valve has left intact the first quality, expanded and elaborated on the second, and addressed the third, if perhaps not ...

Portal 2 features a separate two-player co-operative campaign, playable over the internet, and new gameplay features in ... There's also a tractor beam. Perhaps most interestingly, ...

Portal 2's final chapter is a bombardment of time-sensitive puzzles meant to flex the portaling part of the brain you've been growing over the previous 10 ... tractor beams, turrets, bombs, ...

Portal 2 depicts a lab-rat attempting to escape from te malicious robotic AI, GLaDOS. Much like the first game, ... You also be messing with lasers, tractor beams and goopy, ...

And I love the portal gun! It connects to points, and allows you to pass through them. To a robot like myself it's quite logical, but for a human, this will prove to be quite the excellent puzzler.