Today brings a continuing look at the behind closed doors E3 2010 demo of Portal 2, with parts two and three now available for your viewing pleasure. The first video showcases the new "Excursion ...

Valve's released two more videos of the E3 demo of Portal 2. It's mint stuff. Get it after the break. The two clips show off some of the new puzzles and contraptions that await you when you play the ...

Back at E3 2010 Valve showed off a few videos of Portal 2 for the first time, and if anyone who saw it wasn't impressed, well, not to be too mean but I'd imagine it's really difficult to buy you a ...

Valve has sent out the latest two Portal 2 E3 gameplay clips today. This time, the clips show off the ‘Pneumatic Diversity Vents’ and the ‘Thermal Discouragement Beams’. One is a giant vacuum cleaner ...