Chapter 7: The Reunion
[Test Sphere 07][TS07]
-Portal up to the platform opposite the chamber entrance.
-Place your (BP) beneath the (OG) tube. Place the (OP) on the wall behind the
ramp. Press the button.
-Run along the (OG) and ramp over to the next room. As you enter, place your
(OP) on the wall to your left. Place the (BP) above the platform with the
button, and pass through.
-Place your (BP) under the (OG) tube again, and press the button.
-Pass through the (BP) and use the (OG) to hop over to the far room. Portal the
box from behind the barrier, and take it back to the main room.
-Place the box on the big square button, then ramp up to the higher platform.
-Place your (BP) on the floor section below the suspended button, then your
(OP) on the wall behind the ramp again. Pass through.
-Run up the ramp (but don’t leap from it), turn around, and run through the
(OP). You should have enough momentum to reach the button.
-After you exit the test, portal up to the stairs behind the fence, and examine
-Proceed to the next chamber.
[Test Sphere 08][TS08]
-Place a portal on the wall in the middle of the lower section of the pillar.
Place your other portal beneath the (OG) tube, and press the button.
-Place a portal on the orange marking on the ceiling, then the other beneath
the (BG) tube. Press the button.
-Run from the wall towards the pillar on the (OG).
-On the opposite side of the pillar, place your (BP) high up on the catwalk.
Place your (OP) on the wall in front of you, and pass through. Then, (OP)
back to the starting area via one of the side walls.
-Place your (OP) on the section of wall on the pillar again, and run towards it
on the (OG). You should pass through the (OP).
-Take the elevator.
[Test Sphere 09][TS09]
-Walk into the chamber, and place a portal under the (BG) tube. Place the other
portal on the floor with the marking, over on the platform that also has a big
square button. This coats the hanging platform with (BG).
-Portal over to the wall in the corridor that the red arrows are leading to.
-Use your portals to coat the floor of this corridor with (OG), then launch
some (BG) from the slanted wall.
-Place one portal on the wall here, and the other on the slanted wall above it.
Run from the starting point of the red arrows through the portal.
-Collect the box, and portal over to the platform with the big square button.
Place the box on it.
-From the big square button, looking back at the main area, portal up to the
high platform behind the ramp on the left.
-From here, use your portals to coat this ramp in (BG), then leave one portal
behind the ramp, and portal back down to the corridor with red arrows.
-Use the (OG) in the corridor and run through your portals, to the newly coated
-Take the elevator.
[Retro Science 3][RS3]
-Head inside, and when you make it to the elevator in here, portal up to
the high door, opposite the elevator.
-Portal over to the wall marked as Pump Station Gamma.
-Run back to the control room, and flip the switches. Portal back to the
entrance, past the pistons.
-Portal up to the catwalk in the middle, then bounce off of the (BG) to the
-Place your (BP) on the wall at the end of the (OG). Run under the pistons
using the (OG) to speed through.
-Outside, place your (OP) on the right of the slanted wall (aiming between
the railings.) Back inside, run beneath the pistons through your (BP).
-Head through the waiting area, press the button to open the exit and
take the elevator up to the next area.
-Place your (BP) beneath the (WG) tube, and using your (OP), paint the slanted
wall on the floor in the corner, then paint the inside sections of the two
pillars, until you can portal to the catwalk at the top of pillar 02.
-Walk around the catwalk to the broken part, place one portal on the ramp, and
the other on the floor. Fall through the portal on the floor from the catwalk.
-Head in to the next area.
-Inside the large elevator shaft, use your zoom & portals on the side walls to
climb up to the level the elevator is on. Place one portal in the elevator,
then walk to the end of the broken catwalk, and place a portal on the floor
below. Fall through it to launch up out of the elevator, and place alternating
portals on the floors to launch up higher. Keep alternating to retain momentum,
and you will see a slanted wall at the top to launch from as a final portal
placement. Head through the door.
[Retro Science 4][RS4]
-In the middle of the structure, portal up to the highest support beam you can,
and then place your (BP) on the slanted wall above the door. Place the (OP) on
the floor, and fall through the (OP).
-Place the (OP) beneath the dripping (BG), to allow some to coat the ramp.
-Place the (OP) on the floor again, and fall down through it once more.
-Place your (BP) on the exposed floor at the back of this level, then fall back
down through the (OP) on the lower level again. As you fly up in the air, place
your (OP) on the floor in the room.
-After passing through the (EG) into the next room, place a portal beneath the
(WG) tube, and the other on the ceiling above the slanted wall to coat it.
-Use your portals to paint a strip of (OG) from your new white wall towards
the entrance of this room.
-Place one portal on the top of the wall, and the other on the slanted wall
above it. Run along your path of (OG), and you will bounce through your portals
to the platform above you.
-Use your portals to coat the ceiling above the exposed floor with (WG). Then
paint the floor with (BG). Head back to the lower level, and place your portals
at the end of your (OG)/(BG) ramp, and bounce through again.
-Portal up inside the structure, and you’ll see a slanted wall behind a fence.
Place one portal on the slanted wall, and the other beneath the (WG) tube on the
other end of the hall. This will coat the tunnel and allow you to portal up
through it. At the top, portal into the large room above you through the fence.
-Look high up in this room, you will see a catwalk with a bit that hangs
over the exposed floor in the center of the room, and paths going to doors
on two walls of this room. Portal up there, above one of the two doors.
-Place one portal on the high wall, in the corner above the 3 stacked
cylinders. Place the other portal on the flooring in the middle, and fall
through your middle portal from the catwalk.
-Press the button in this room, then fall down to the main area, and take the
elevator that just lowered. Take the stairs up to another elevator.
You can access the rest of the game guide on the official Portal 2 page.
Tags: Portal 2
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