Return to Aperture for further testing. Our Portal 2 Walkthrough provides a walkthrough for story mode, tips for co-op, and unlockables.

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 ...

Follow the path, using your portals to pass the fence and rubble pile. When you reach the second fence, portal up to the platform behind it, in the upper-left side of your view. From there, drop down ...

The fan-made modification to Portal 2, called Portal: Revolution, gained popularity shortly after it was released. With over 40 new test chambers, there are naturally some that players find difficult ...

In Chapter 6: The Fall, there are six sealed metal doors marked VITRIFIED ("Vitrified Doors") that have buttons in front of them that play unique audio clips of Cave speaking. At the beginning of ...

Continue into the next hall and press the red switch to open a section of wall, leading you to a large, open room beyond. There are many turret buddies guarding the room, and before you do anything ...

You may not agree with YouTube user DemonStrate's methods, but you certainly can't argue with the results: the world record for fastest Portal playthrough. What took you hours only took him minutes -- ...

Return to Aperture for further testing. Our Portal 2 Walkthrough provides a walkthrough for story mode, tips for co-op, and unlockables.

As Wheatley confronts you with his spikes, fire a portal through the broken wall behind him. After a moment, white gel will begin dripping onto another surface. Fire a portal beneath the drips, and a ...

First 10 minutes above, the rest below. Did you know you can donate one or all of your vital organs to the Aperture Science Self Esteem Fund for Girls? It’s true! Did you also know YouTuber ...