Brittany Mahomes gave Kansas City Chiefs fans something to be grateful for with her Thanksgiving game day outfit. Brittany, ...

"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, ...

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 ...

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 ...

When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works. Valve just released a mostly cinematic trailer showing off Portal 2's new co-op play, where you ...

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 ...

Valve has released an HD version of the Portal 2 co-op trailer complete with Glados commentary, and we have it posted for you below. The co-op portion of the game features its own playable characters, ...

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 ...

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 ...

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 ...

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 ...