Turn to your right and stick your head over the ledge and you’ll spot a Cube chilling out on its own. Fire a portal over it and it’ll drop down onto the platform to your left.
It’ll reappear on the platform up and to your left, so fire another portal off on a nearby wall and you’ll be able to pick the second Companion Cube up and drop it down on the final red button, in turn, opening up the exit.
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.