Walk through the newly opened door and place an exit portal on the wall to the right of it. Head through the door and into the small corridor behind it.Īs soon as Blue is through the door, step off the button and head left to the second button to stand on that one which will then open up the exit door from the corridor which Blue is in. Stand on the button directly in front of the entrance to open the door just ahead of the button. Heavy Duty Super-Colliding Super ButtonsĮnter the chamber and place your first portal on the surface directly to the right as you enter the room.There are 2 buttons operate the doors need to gain access to either side of the room, and portalable surfaces on both sides which you will need to make use of.
The goal here is to get through the other side of the room which is separated by glass.