Back to Portal 2
After the long fall make your way through the wreckage. Portal to the other side of a fence and then portal up to a ledge. Make your way around once more and portal across to the other side of a fence once more. This time you’ll land on a walkway. Drop down and follow the path forwards and then to the left.
Continue past the signs and put a portal on the wall. Place the second portal high up on a building just above a walkway. Walk down the stairs, place a portal on a wall by the ground and one on the side of the building to get down.
Head past all the “Keep out” signs and pull the lever to turn on the vault lights. There’s an office to the left and one to the right. You’ll need to place a portal in each office so you can switch between them quickly. The red buttons in each office need to be pressed within a few seconds of each other. Press one button, portal across to the other office and press the next button. the vault door will begin to open.
Go through the small door at the base of the vault to the next area.
Follow the path to the left. Go up the stairs and portal through the half-open door. Pull the switch to open the next door. Portal up to the small walkway up the top on the right side of the far wall. Place a portal on the sloped panel beneath you.
Make a large jump to the white area of floor and place the second portal underneath you. You’ll need to jump from the far left corner to make it.
Enter into what appears to be some kind of reception room. Jump across to the lift and press the button to ride it to the top. Walk to the end of the walkway on the left and place a portal on the sloped platform in the distance. Walk back down the stairs until you see an opening in the rail to the bottom of the lift. Drop down and place a portal below you. You’ll be flung across to a high walkway.
Go through the door and into an office on the right. Pull the switch to get the pump station working. Wait for the doors to open and walk down the stairs to the bottom. Place a portal on one of the walls and the second above a balcony at the top of the room. Go through the opening and down the walkway to a lift.
Walk to the left and through the barrier to the first test chamber. Use the repulsion gel to bounce across to the other side. Portal up to the ledge and jump down to the gel. You’ll bounce up to the other side. Press the red button, drop down and pick up the cube. Portal back up to the ledge with the button and place the cube on the button. Bounce across to the exit.
In the next area place a portal up and to the left, behind a railing. Place the other portal on the pillar next to you to portal up to the ledge. Walk to the left, drop down to the stairs and walk up to the next chamber.
Bounce up to the ledge, put a portal on the roof above the moving platform and portal over to it. Grab the cube and drop down. Bounce up to the ledge and portal over to the other side. Place the cube on the button to reveal a panel on the wall.
Bounce over to the other ledge. Place a portal on the wall and one on the new panel. Go through and you’ll bounce over to a room behind a barrier. Go through and bounce off the walls to the other side. Grab the cube and place it on the button. Go back through the barrier and place a portal high up on the wall to the left. Place the second portal in the wall on the left ledge. Go through and you’ll bounce up to the exit.
Drop down to the ground and walk over the bent beams to the other platform. Place a portal on the side of one of the pillars and the other on a balcony half-way up on one of the pillars. Portal up to it. Walk along the walkway and portal into the next chamber. Push the red button to release the gel.
Use a portal under the gel and on the side wall so you can bounce up to the next ledge. Repeat this once more. Look out over the room and place a portal in the floor. Move it once the gel comes out to create a splodge in the middle of the room. Bounce on it over to the other side.
Place a portal on the ledge and make and remove it once the gel comes out to make a splodge. Bounce through the barrier. Place the second portal on the sloped panel. The gel will make a splodge on the ledge opposite. Place a portal underneath you so you’re flung out of the sloped panel. You’ll bounce on the gel to the exit.
Go through the next barrier and place a portal under the gel. Place the second portal under the red button in the wall and remove it to place blue gel down. Bounce up and press the red button to turn off the white gel. Place a portal on the wall behind the grate to release blue gel near the far ledge and quickly bounce off it and onto the ledge. Go through to the next room.
Place a portal under the blue gel and one on the sloped panel on the wall to the left. Portal up to the scaffolding. Place a portal on the sloped panel to the left and drop down, placing a portal underneath you. You’ll go through the portals and bounce off the wall to the exit.
Look down and place a portal under the blue gel. Walk up the steps to the left and place the second portal on the white part of the building ahead. Walk over to the part of the rooftop that juts ahead and drop off the edge. Place the first portal underneath you. You’ll get flung out and bounce up to another walkway.
Walk around and place a portal in the wall. Place the second one above the walkway higher up and go through. Head through the barrier to the next chamber.
Place a portal under the gel and above the cube in the glass box. Once the cube gets gel on it it will bounce around and break the glass. Chase it around and pick it up. Bring the cube to the white gel to clean off the blue gel.
Place the cube on the button to lower the lift. Use portals to place blue gel by the lift and then bounce up to it. Put a portal above the cube to make it bouncy. It’ll bounce off the button and the lift will take you up. Head through to the next area.
Place a portal on the side of the building to the left. Walk forwards and place the second portal on the wall to the left. Go through and open the door to the right. Portal up to the walkway high above. Look down and place portals on both of the pads on the floor.
Drop into the first one and you’ll bounce from one to the other. While you’re in the air you need to place the first portal high up on the wall on the left side of the glass. You’ll get flung over to a ledge on the opposite side.
Go into the office, pull both switches and then walk through the barrier. Open the door to the outside.
Portal up to the walkway on the side of the building to the left. From here put a portal on the sloped wall to the righ and another on the floor below. Drop through the portal to be flung over to the control room. Pick up the potato in the office room to end this chapter.
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