As with the first 'room', there is a piece of wall sticking out above the entrance, and a floor that you can put portals on. When the pellet goes through, it will go into the containment thing. Quickly make a portal above the containment thing, and then make another portal where the pellet is now bouncing inside of this shielded area. Once the pellet goes through, walk through the particle field that has the containment thing behind it. So, make a portal of the other color facing Note that if you go through a particle field, any portals that you have placed will disappear. In the next 'room', put a portal on the black spot on the wall where the pellet is hitting it. If you do it correctly, your increased momentum will take you through the particle field above the glass wall. While you fall, look down and make a new portal where you are about to land, the same color as the one you put on the floor.

Then, look at the floor and make a portal of There is a piece of wall sticking out above there. terrifying?Īfter you go through the entry hallway and get into the first 'room' of the chamber, look above the hallway entrance. The computer promises that cake and grief counseling will be available at the end of the test.

Test Chamber 17 - The Weighted Companion Cube will Never Threaten to Stab You.

Test Chamber 15 - Cake and Grief Counseling.

Test Chamber 14 - You are an Excellent Test Subject.

Test Chamber 13 - A very, VERY long time.

Test Chamber 12 - Fling Yourself into Space.

Test Chamber 11 - The Orange Portal Gun.

Test Chamber 10 - Something About Momentum.

Test Chamber 07 - Do Not Taunt the High Energy Pellet.

Test Chamber 06 - The High Energy Pellet.

Test Chamber 04 - Reaching Far Off Places.

Test Chamber 02 - Get the Blue Portal Gun.

Portal test chamber 14