Player 1: A simple enough end to the first set of chambers, once you land on the walk way, look down to the room on your right and you should spot the side of a shoot-able wall. Get a portal down here and then another one on the wall to your left.
Player 2 : Follow player 1 until you reach the room with the two levers (one on each side of the wall). You need to pull the levers at the same time, so count down together and hit the button at the same time.
Player 1: Once you’re successful, the door to your right will briefly open, so quickly set a portal on the wall in there and then on the wall near the switch. Step through, grab the CD from the desk and insert it to ‘complete’ the test.
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.