When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works. Today’s vids, part of Valve’s week of Portal 2 reveals, show off two new game mechanics, the ...

After the player falls deep into the depths of old Aperture, they’re forced to solve some old-school puzzles to escape the depths and fight back against Wheatley. They’re accompanied by pre-recorded ...

After entering the chamber, portal up to the platform at the other side of the room (there's a "Thank You" sign on the wall). Fire a portal beneath the Propulsion Gel tube, and another on the wall ...

“Portal 2” was already looking pretty awesome, despite changing Wheatley’s voice. You had the Repulsion Gel, the Thermal Discouragement Beam, and GLaDOS saying things we’ll regret. But one thing that ...

The world of Portal comes to Evil Genius 2 with the new free DLC pack, featuring upgrades for your lair based upon Valve's Portal games. The New Portal DLC features a new room type--The Test Chamber, ...

For all of its expert writing and interesting characters, the gameplay of Portal is where it truly shines. Levels, broken up into different "test chambers," challenge the player in new and unexpected ...

In case yesterday's trailer featuring Stephen Merchant as the new voice of the robotic ally "Wheatley" didn't include enough Portal 2 gameplay for your liking, Valve has released a pair of videos to ...

Valve Software’s brain-loosening puzzle-platformer Portal 2 came out aaaaaall the way back in April of 2011, but the developer has continued to support it through add-ons like free downloadable ...

"Oh, it's you. It's been a long time. How have you been? I've been really busy being dead. You know, after you murdered me. Okay, look. We both said a lot of things that you're going to regret. But I ...

Time to learn to fly. After the first act of Portal 2, the story takes a twist. GLaDOS is put into a potato, Wheatley is in charge of Aperture Science, and Chell is left to climb her way out of the ...