Test Chamber 19
Shoot a portal and an alternate on the two angled slabs coming out of the floor. When the energy ball comes out, remove the portal on the second slap by shooting the same color anywhere else in the room. The ball will bounce and go up into the socket. Jump on the platform, duck under the pipe and then hop on the raised grating at the first corner. Shoot a portal in the side room and get in there, press the button and quickly shoot a portal on the other side of the door that opens before it closes again. Walk on to the platform when it goes by and then use portals to move away the perpetual bouncing energy ball before you run into it and it vaporizes you. Around the next corner, shoot a portal on the wall in front of you and another to the left and just behind it so you can go through to stay with the platform. Here comes you ca- HEY! WHAT THE HELL IS THIS?
I WANT MY CAKE!
Instead of displaying a “victory candescence,” duck on the platform and look up over the fire, past the guard rail on the other side. Shoot a portal over there and an alternate on the side of the platform below you. Jump through to escape the flames. Shoot a portal way up at the top center of the back wall and momentum leap your way across the fire and through the broken pipes. Head up the stairs, using portals to get past any lock gates or other obstacles you encounter. In the first big room with a pool of acid, get onto the catwalk in the middle to keep going. You’ll notice red scrawling in certain spots showing you if you’re headed in the right direction (although this “escape route” is actually very linear and impossible to get lost in).
Use a momentum leap to get up to the second level and keep following the signs, hopping into some weighted cube dispenser tubing that’s been broken open. You’ll be carried back to Test Chamber 09. Step on the floor button and shoot a portal on the other side of the door, go through and jump down the elevator shaft. There’s a thick concrete slap past the grating to your left. Shoot a portal on its underside and one underneath you. Crouch to get out from under it. Go around the structure in the middle of this area and get on the pneumatic pumps coming up out of the floor so you can see the top of the slab. Place an alternate portal there, go back underneath the slab and jump through it. Get on the big sliding pipe next to it and ride it to the other side. Use portals to get up through the duct work.
You’ll come into a room with five big platforms going up and down. Hop on the one in the center and at the top shoot a portal into the corridor at the top of the back wall. Use an alternate to get in there yourself. You’ll come to another large room in which you’ll need to use a momentum leap to get up onto a catwalk and then you’ll face a series of hallways blocked by pneumatic pipes and other machinery you can easily portal yourself around. Finally you’ll reach a large room with several layers of huge cylinders opening and closing above you (it’s a really surreal effect the first time you see it). Shoot a portal at the very top of the wall over where you came in and an alternate nearby. Walk through but not all the way, just enough so you can reshoot the alternate on the floor of the area on the other side of the fence up here. If you timed this right with the cylinder beneath you, you can bounce back through the portal to get over there.
Hop down onto a tube, then down on to another. Walk along it and shoot a portal over the area where the pneumatic cylinder hits the wall. Go back and shoot an alternate on the wall below you. When the cylinder is against the wall on the other side jump through and get over to the raised area above it. Jump down the shaft with the guard rail around it and out on to the stationary cylinders. They will open and you’ll drop into a room with three doors, a turret hiding behind each. Use portals and the barrels to take care of them and then go into the room that still has a robotic grip in it from placing the turret. Through the little space the grip is coming down you can shoot a portal on a wall. Go through and you’ll be what appears to be the service station for the turrets. Use portals to get on the pipe above you and jump onto the catwalk to continue on.
You’ll come up behind another turret you can easily take out and a door will open. Hop out and shoot a portal on the top of the door, using it to momentum leap onto the catwalk above. In the room with the glass and the button, push the button to activate a security orb, a slow, easily manipulated rocket launcher. When its laser locks on you, it takes about a second or two before it actually fires a single rocket, giving you plenty of time to get out of the way. Use the orb to break the glass on both sides of the room and escape through the door. Like anything else, the rockets fly through portals, so use them to also break the glass in the next room. You’ll come to a small duct that’s hard to reach, so go back and grab two office chairs from the area where the orb is. Pile them on top of each other to get up into the duct, shoot a portal underneath the fan and then come back out to shoot an alternate and go through.
Use portals to get through this sewer area until you come to a tiny little grate in the ceiling. Use a portal to get up into the next area, a very large room that has several turrets waiting to be activated. Take them out one at a time shooting portals into their rooms and knocking them over, working your way up to the highest one in the center back wall. Across the room is an angled door. Shoot a portal on it and use it to momentum leap over the room, shooting another portal on the door of the turret room you were just in and leaping through that, sending you sailing way over the room and into a new area where two more turrets will come down out of the ceiling. Take them out and create a portal in the floor between where the two turrets were set and then go back out the large room and jump down, momentum leaping through the floor and up through the hole where the turrets came out of.
From here on in it’s a simple walk through abandoned hallways. Notice a slide show in an empty conference room entitled, “Dollar$ and SENSE: Competing with BLACK MESA for DoD (that’s Department of Defense, not Day of Defeat) and Government-wide Acquisition Contracts.” Hmm, interesting, I wonder if that and the Aperture Laboratories reference in Half-Life 2: Episode Two mean anything? Well, on to the boss fight!
At the end of the hallways you’ll come face to face with GLaDOS, who offers you the easiest boss battle since the original Quake (remember telefragging?). After the usual evil genius speech, a piece of her hardware falls off. Pick it up and carry it to the control booth to the left of the room. Leave it just outside and press the button within, then create a portal on the wall and another over the Aperture Science Disposal Unit. Remember what she made you do to your poor, beloved Companion Cube? It’s time for revenge! Once you dispose of this first piece, GLaDOS will start to flood the chamber with neurotoxin, starting a five-minute countdown. A security orb comes up through the floor to hunt you down. Just like before, use it and portals to send rockets crashing into GLaDOS. Three more pieces will fall out of her, each one landing in a slightly more out of the way place. Dispose of these parts and enjoy the fireworks!
Congratulations! You just used a walkthrough to beat Portal, one of the easiest puzzle games of all time! How does it feel? I SAID HOW DOES IT FEEL, CHUMP?! Now go try to bonus levels on your own, or are you going to ask someone else on the Internet to get you through those, too?
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