Switch on the ground and you will see, the ramp moves up. Once you are in the huge room put the vintage companion cube onto the red Now use portals to move back to the huge room from the beginning step by step. Just use a portal behind the cube and one portal on the wall opposite the cube and you can drag it out. We are close to the vintage companion cube now. Jump through the blue portal back over there and use the momentum you get from the orange gel to jump over the ledge there. The orange fluid covers the whole hallway Here you paste the blue portal on the ground under the orange gel dispenser and turn the orange gel on again. Put the blue portal on the ceiling next to it and jump back there through the orange Now stepīack a bit and look back to the push button and the gel dispenser. Over here there is a wall with a yellow black circle on it that can hold a portal right around the left corner, so put the orange portal on it. You faster you go to the wall and use the way over the orange gel as a warm up to make the jump over the abyss. The orange gel splatters all through the room and covers the way to the ramp. Portal on the ground right under the orange gel dispenser while you put the blue portal on the single wall that has the yellow black circle on it opposit Next to the vent for the orange gel is a platform a bit higher up with a push button. The orange Propulsion Gel within the game and within this Portal 2 walkthrough. So, now we are in another test sphere (1972 01) and this time we have GLaDOS on a potato with us.

Portal 2 conversion gel