As Portal 2 passes three weeks since its release, now is the time to look back on cooperative play and see how it has held up. As a GeekDad who does not yet have children of video game-playing age, I ...

It's been an exciting couple days at PAX, especially if you're a Portal 2 fan! We're following up the co-op campaign screenshots released yesterday - with actual footage from the co-op Portal 2 ...

"We have no plans for [3D or Move] in this game right now." Clearly, Valve are keeping the big guns for Half Life 3. In all seriousness, I'm a little disappointed there's no Move support. Admittedly, ...

This extended trailer for Portal 2's co-op mode, shown to attendees at PAX 2010 behind closed doors, adds narration from GLaDOS. I'm sure you've seen the two loveable robots before, but this video ...

GameSpot may get a commission from retail offers. According to GLaDOS, Portal 2's dry-witted antagonist, scientific achievement is all about cooperation. That's why one of history's greatest ...

Valve showed off the first gameplay footage of the Portal 2 coop mode, set to be one of the highlights of the game. The walkthrough video shows us glimpses of some of the new features and gameplay ...

My 9yo son and I have recently played through Portal 2 single player, and he really wants to play Coop. If I understand correctly, for me to play coop with him, I'd have to pony up $$$ for a second ...

Portal 2 features a separate two-player co-operative campaign, playable over the internet, and new gameplay features include physics-changing paint. That's according to various reports and scans that ...

Bloody hell. I just had a look at the Portal 2 workshop just so that I could get my facts straight, and there's over 170 THOUSAND maps on there. If you follow the rule that 90% of everything is bad, ...

Nine minutes of co-op gameplay for Portal 2 has come out of PAX, and it's looking pretty sweet. As the video explains, the two-player co-operative mode allows both players to control separate portal ...

"You should sit down," the Portal 2 blog recommends, because there's big news in the world of science. Valve has added co-op to the Perpetual Testing Initiative – the company's fancy name for the hit ...

GameSpot may get a commission from retail offers. According to GLaDOS, Portal 2's dry-witted antagonist, scientific achievement is all about cooperation. That's why one of history's greatest ...