Hmm, there are some lifts inside some acid? But why bother.
end of the room, and send yourself through. Now here’s something interesting. The Energy Pellet Emitter! Put a portal somewhere where you’re not going to be hit by the Energy Pellet. Then put the other portal on the black mark. Keep track of which is which, because you don’t want to come back here. Now, if you want to skip the acid again, you’ll have to go through the portal, so be aware of the energy pellet at all times. Once you get back to the main room, put the correct portal on the glowy orange part of the ceiling, and the lift will descend. You’re home free! ——————————————————————————- Room 15; [5 Cameras] I don’t know why they say there are only 20 tests here. Some of these are multi-layered. And some are multiple choice! So in this room; Put a portal on the outcropped panel above you. Shoot the camera off the wall. (It’s in the hallway.) Put a portal near the middle of the checkerboard pattern on the floor, and fall through. Y
