Player 1: Stand on the right-hand button now, raising the crate again and allowing player 2 to drop down onto the lower portion of the area. Now go stand on the left-hand button again to lower the left-hand crate.
Player 2 : Stand on the left-hand crate and wait for player 1 to step off the switch, causing the crate to raise upwards. Now pick up the Displacement Cube and wait for player 1.
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.