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| Chapter 7: The Reunion | [W7]
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_______
|1972-01| [7.01]
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Inside the test chamber, place an exit portal on the ceiling above the high
platform ahead of you. It has a small button on it that dispenses propulsion
gel. Place your entry portal on the wall at the end of the black strip with a
ramp. Hit the button and then place your exit portal on the floor. It will be
the entry for the propulsion gel, which will fly out and coat the black strip
and ramp. When you run along propulsion gel, you go really fast. Before you
do anything, place a portal on the ceiling so you can get back to the button.
Now, run along the propulsion gel and up the ramp. You'll land on the lower
floor on the other side. When you get to the arrows pointing right, go left
and place your other portal on the wall here.
Go through the portal and hit the button again, then place the entry portal
down so it catches the propulsion gel. You need to coat the hallway the
arrows were pointing towards because of a gap. Go back to it and run across
the gap using the propulsion gel. Once on the other side, use portals to get
the cube and take it back to the starting area. Place the cube on the button
to raise the ramp and run up it again, this time landing on the higher
surface.
Up here, put a portal on the floor panel to your right and place another
portal on the wall at the end of the black (now orange) strip with the ramp.
Go through your floor portal to get back to the beginning area. Now, move to
the ramp and run the opposite way, back through the portal. You'll fly up out
of the floor panel and you can reach the button. Just after you leave the
test chamber, you'll notice a locked gate to the left of your path. You can
shoot a portal on the wall beyond it to get past it and examine an office up
here. There's a painting on the wall in here of Cave Johnson and his assistant
Caroline. Walk up to it to get an achievement.
_______
|1972-02| [7.02]
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Place a portal below the propulsion gel dispenser and another portal on the
wall piece facing you on the pillar ahead. Hit the button to coat the
central area with propulsion gel. Now place your entry portal below the
repulsion gel and your exit portal on the ceiling tile above the end of the
"runway". Hit the button to coat the end of the runway with repulsion gel.
Now run along it. When you hit the end you'll bounce and hit the wall piece on
the first pillar. Go around to the other side of the pillar and portal up to
the catwalk above you. When you're up on the catwalk, leave your portal on
the upper backside of the pillar here. You'll need it. Shoot your other portal
at the main area to get back over there. Now shoot your free portal onto the
first wall piece on the pillar. You will run and jump along the gel runway,
go through the first wall piece and come out of the second one higher up,
and then hit the elevator.
_______
|1976-05| [7.03]
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First things first. Let's coat all applicable surfaces with the appropriate
gels. Go stand in front of the gel dispensers and look to your right. You
should see a runway with arrows pointing towards a wall panel. There's a
slanted wall panel above it. Put portals on the propulsion gel pad and the
flat wall panel to coat the runway with propulsion gel. Now put a portal on the
repulsion gel pad and a portal on the slanted wall piece. This coats that
other slanted piece.
Now go back to the main mesh area of the platform you're on. Dead ahead you
should see a seperate area with a button on it. There's a single floor
panel there with the black and yellow crash test dummy logo on it. Put a portal
on it linking it to the repulsion gel. You want to coat the "ceiling" tile
there with the stuff. Finally, look in the upper right area and you can spot
another seperate platform with two flat wall panels and a short ramp. The wall
panel in front of the ramp has the black and yellow logo on it. Put your exit
portal on that panel so that the short ramp is coated in repulsion gel.
Now portal over to the runway. Go to the end, put a portal on both wall panels
here, and run into it. You'll go flying out of the top panel, hit the slanted
panel coated in repulsion gel, and bounce over to the cube. Now portal you
and the cube over to the button and put the cube on it. This rotates the
ceiling panel that you covered in repulsion gel so that it's facing up. Now
portal back to the runway, but this time put the exit portal on the final
wall that you used to expel repulsion gel onto the short ramp in the upper
right corner. You'll run through this portal, hit the ramp with the gel, and
bounce to the rotated piece with more gel on it, then bounce over to the
elevator.
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|1978| [7.04]
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When you get to the dead end with the out-of-service elevator, place a portal
on the wall to your right and portal up to the catwalk high up behind you.
Go through the emancipation grill and turn right and look up. You should see
Pump Station Gamma over there. Portal over to it.
____
|1982| [7.05]
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Inside the pump station, head into the office and hit all three gel pressure
control switches. Now portal back to the entrance to avoid the crushers.
You'll notice some white gel has spilled on the floor. It's called conversion
gel. It allows you to place portals on surfaces otherwise unportalable.
Place a portal on the floor covered in conversion gel and place your exit
portal above you, on the beam above the broken catwalk. Get onto that
catwalk and jump down onto the repulsion gel. You'll bounce to the next area.
In here you can use the propulsion gel to get by the next set of crushers.
Before you do, place a portal at the beginning of the propulsion gel, on the
wall piece with the black and yellow symbol on it. Head outside and move to the
broken end of the catwalk. Turn around and place your exit portal on the
slanted wall behind you. Now go back and run the other way along the propulsion
gel. You'll enter your first portal and come out of the second one, flying to
the next catwalk. Once you're in the office area, you'll drop down. At this
point, head into the single office to the right and press the button in here
to open the doors at the end.
When you get to the pit with conversion gel spilling into it, hop in and place
a portal underneath the conversion gel. Place another portal at the end of
the conversion gel patch facing the other catwalk. There's a wall behind that
catwalk that needs to be coated. Once it's covered in gel, look through the
fence and shoot a portal onto the wall and get over to the outside. Now
put another portal under the conversion gel. You're going to need a lot of it.
You need to coat that slanted piece next to the pillars with gel, so do it.
Also make sure you coat the floor between the pillar and the slanted piece.
If you look up at the top of the pillar, you should see a catwalk. You're going
to jump off of it, into a portal at the bottom, and through the slanted piece,
so get everything nice and white.
Now go to the pillars and start coating the two sides facing each other so you
can work your way up and coat the area above the catwalk. Portal up to the
catwalk when it's ready and go to the other side. Place a portal on the
floor below you and another on the slanted wall piece. Jump in and sail over
to the next area.
When you get to the elevator shaft, you can do some portaling to get up to the
elevator. There are white patches everywhere. Once you get to the elevator,
put a portal on the floor of it and move to the broken end of the catwalk in
front of it. Put another portal on the floor and hop in. You'll come out of
the elevator and sail up, but you can't land on anything. At the top of your
jump, you can see the floor above you and there are white patches on it. You
need to place a portal on the white patch so that when you fall back through
the portal on the elevator floor you come up through the new portal. You can
just sit there, bouncing between portals, until you get your bearings, so
don't rush it. When you finally do it, you'll bounce up higher, but still
won't be able to reach any surfaces. You should see a catwalk and a door which
is where you need to be. Opposite the door there's a slanted piece of wall.
You need to place a portal on it so that when you fall you come out of it and
hit the door. It's all pretty simple, actually.
________________
|Gel Pump Station| [7.06]
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You should immediately notice some white concrete pillars along with a white
patch on the floor. Look up and shoot a portal on one of the pillars as high
as you can go, which should be just above the second set of horizontal beams.
Portal up to the beams and walk around on them. Shoot a portal on the white
patch of floor beneath you and then turn around and look at the area with the
big gel pipes. There's a slanted wall above the catwalk with the door. Put a
portal on it and jump into your portal on the ground to get up to the next
level. Make sure the portal on the slanted part is directly in the middle.
You should notice that you land on a slanted piece up here as well. Leave your
exit portal on the slanted wall, but move your entry portal beneath the
dripping repulsion gel. The gel will fly out and coat that slanted piece you
land on. Now put your portal back on the floor and jump in again. You'll hit
that piece and bounce up to the next level. Go to the back of this place and
you should see a white patch on the floor. Put your exit portal here and go
back down and jump into the floor portal one more time. You come out of the
second portal and as you're in mid-air, you can look onto the next floor.
There's a white patch there. Shoot your first portal onto that white patch
so that you fall up here.
You're going to be dealing with all three gels in this room. First off, place
a portal below the conversion gel. If you move to the end of the room with the
slanted wall piece, look above it and you'll see a white patch on the ceiling
behind some fencing. Place your exit portal there. Now, place an entry portal
below the propulsion gel and your exit portal on the flat vertical wall just
below the slanted piece. You should create a propulsion gel runway with the
square of repulsion gel at the end. Now place an entry portal on the vertical
wall ahead and place your exit portal just above it on the slanted wall. Run
along the propulsion gel, hit the repulsion gel and bounce through the portals
up to the next level. It might take a couple of tries to get the portal
placement down.
You should notice that you hit another patch of repulsion gel up top and then
land on a white patch of floor. Look beneath you and place an entry portal
below the conversion gel and place the exit on that white patch. Once the
ceiling is coated, place an exit portal on the ceiling and place the entry
portal below the repulsion gel, so you can coat that white patch with it.
Once you've got it all sorted, go back down to the first floor, put your
portals back where they belong on the wall ahead, and use the runway to get
back up to the second floor. You'll bounce on the two repulsion gel patches
and get over to the next area.
Look behind the pillar here and you'll see conversion gel spilling down. Place
an entry portal on the floor here and look up through the fencing where the
gel is coming from. You can portal up here. You'll come to a dead end. A big
shaft with tubes going up it. Look for a fenced in area on the wall with some
white walls behind it. Place your exit portal on one of the white patches.
Conversion gel will come through your first portal and bounce all over the
place. Your goal is to coat the very top. The shaft bends up there.
This is kind of tricky. Some conversion gel should be on what looks like the
ceiling. It's actually still the shaft, but it's bent. Shoot a portal up there
and shoot another portal on the wall where you first got into this area so you
can get up there. You'll need to jump through the portal, because you're going
to start falling. Your goal is the other, slanted side of the shaft. In
particular you're aiming for the yellow and black "Caution Watch Your Step"
sign between the two pipes. There's a railing behind it that'll catch you. Now
walk up the shaft until you can go no further and turn around. Look through the
fencing at the very top and you'll see walls you can portal to.
In the actual pump station, look up and you should see a high catwalk. It
just runs between two doors that you can't move through. Portal up to it and
move to the broken edge. Fire an entry portal on the white patch of floor
beneath you. Now look forward and to the left a bit. You should see a control
room on the same level as you with Gel Pump Station written above it. On the
wall opposite the control room there's a white patch, very high up. Place your
exit portal there. Jump in and you should fly over to the control room. Look
at the paradox poster in here when GLaDOS tells you to, then push the button.
Go back down and get on the lift. From here it's a straight shot to the next
elevator.
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