Follow the metal walkway until you can’t go any further. Take a look around as you watch the next test being built right in front of you! Once you’re in the room proper, turn left and pick up the Displacement Cube. Now angle it so the laser beam is passing through both of the ‘cones’ at the same time.
Welcome back to Aperture Science, a world where your Companion Cube isn't you're only company. Take control of Chell once again in Valve's sequel which takes you on an humorous and puzzling adventure and in our detail-packed guide we'll show you:
How to solve every test chamber first time.
Conquer every co-op chamber with a friend.
Loads of High Definition screenshots and videos showing you the solutions to every single chamber.
High Definition strategy videos for every achievement in the game.
Uncover all of the hidden secrets and Easter eggs.