For these test chambers, there is going to be a ton of flying through the air. In this first room, one player will go up to the highest platform while the other creates a portal below and up on the high wall to the right. The first player will fall through and shoot to the other side and then set up the portals like the other player previously did. Once both players have shot across, head through to the next part of the chamber.
Kind of similar to the first part of the chamber, one player will go up to the top of the platform and leave a portal on the wall to the left while the other player sets a portal to the right and on the floor. Fall through and shoot across to the other side. Now as the other player goes to the top of the platform, use the other portal that isn’t set up yet on the floor for them to fall through. Now you will both be in a position to hit buttons at the same time and drop a ball that will open the door to the exit.
Head to the far side of the chamber and one player will need to set up portals on the top and bottom of the small alcove. The other player can then jump in and will continually fall through. When the one player is falling, the other needs to press the button to retract the gate on the wall and then fire the same color portal that is on the top of the alcove on the angled platform to the right so the player can soar to the other side of the room. Once the player reaches the other side, they then need to do the same for the other player-setting up portals in the alcove and using the button there- so that both players are on the far side of the room and can exit.
For this chamber, one player will need to set up another set of portals like the previous chamber so that the other player can continuously fall. The player who set up the portals will then need to go around the energy field and step on the button while placing the portal that was on the top of the two portals, on the outside wall of the energy field at the very top. This will cause the player continuously falling to shoot to the far side to a button. Press it to drop the ball and then carry it to the other side- but stay to the right. The other player will then need to go up the steps and take the ball from you. 2 portals can then be placed to reach the exit.
One player will need to set up portals on the top and bottom of the alcove to the right. The other player can then fall through and continuously fall. The player that set up the portals will then need to place the top portal on the floor of the first opening to the left to let the player shoot up into the air to hit the button at the top. Once he does, another portal, the bottom portal from the alcove will then need to be placed in the second opening to the left on the floor for the other player to reach the second button. Once both buttons are pressed, numerous balls will fall and you can then exit.
For the first room of this test, both players will need to place a portal on the angled plate and on the ceiling above the faith aerial plate. Launch through and proceed to the second section. Once in, one player will need to place a portal on the angled plate and one above the aerial faith plate. The other player will need to go through the field and place portals on either side of the plates above. Once the through, the player will need to place a portal that was on the angled plate on the angled plate to the left. The player on the ground can then shoot through to the exit and the other player can jump through the portal on the angled plate to soar on over to the exit as well.
For the third and final section of this chamber, one player will need to place a portal above the aerial faith plate and one on the floor beside the platform the cube is on. Jump through to grab the cube and then the other player will need to place a portal above the faith plate and one on the far side of the room-opposite the field. When the player lands, pass the cube up to them so they can set it on the button and open the wall. Next, the wall opposite the wall that opened needs to a portal on it and one above the faith plate as well. The other player will then need to go through and land in the opening. Once in, place two portals on the two plates and then the other player will shoot through all 4 portals once stepping on the faith plate. Once the player reaches the exit, place a portal at the exit and one on the floor so the second player can exit as well.
To start this chamber, portal up to the faith plate on the right side. Then launch two portals on the angled plates directly ahead of you. The other player will need to go through the field and then place two portals on the angled plates in the other side of the room. Once all set, launch through all 4 portals and you will land on a catwalk. Press the button to launch a cube and it will come directly for the catwalk. Catch it and then drop it to the other player so they can place it on the button. Now the other player will need to go back to the start and place portals where the other players were, while the other player on the catwalk places portals on the two angled plates directly ahead of him. The other player can then launch and reach the exit to the next part.
Once in the next section, one player will need to set portals on the left and right corners while the other player presses the button to release the cube. Have the player that set up the portals bounce around the room on the faith plates and as he passes under the cube dispenser, press the button. The other player should grab the cube as it hurls towards him and can then be brought to the exit and placed on the button allowing you both to leave.
In the first room, both players must set up portals on the faith plate targets and across from the buttons. Both players must then launch at the same time to hit both buttons simultaneously. Once done, the door to the second area opens. Have one player place 2 portals on the 2 checkered wall patterns and then have them stand on the platform while the player who will grab the lens cube places a portal on the floor beside the platform in the corner and one across from the faith plate on the wall.
Take the lens cube to the laser when the spikes are at the far end and direct the laser through the portal in the room you entered. This will raise the platform and allow the other player to jump off and go through the portal below, shoot out the other and hit the faith plate, launching them to the button that will shut off the spikes. Once the spikes are off, take the lens cube down the spike corridor and into the next room. Now set up a portal above the door and one beside the faith plate and then drop the cube on it. When the cube hits the button, run through the portals and through the open door to the exit.
When you enter the outside chamber here, turn around and there will be two angled plates on the wall, one higher than the other. The higher one is to launch through and grab a lens cube, while the lower one is to launch through and hit the button that releases the cube. Walk forward to the edge opposite the angled plates and place portals down below to fall through. The player that is to hit the button goes first, with the second player going a couple seconds after to grab the cube. Once the cube has been snagged, bring it to the laser and redirect it at the switch which will then shut off the huge fan. The other player will then need to set up a portal on the angled wall to the left of the original angled wall and drop off the edge to shoot through and go past the fan.
Once on the other side, enter the room and place a portal across from the fan switch in the office and another across from the windows in the next room. Have the player still holding the cube to direct the laser through the window and through the portal so it hits the fan switch. The other player can then launch past the fan and enter the offices. Once both are in, hit the switches on either side of the door at the same time and then follow the stairs up to find the disc and insert it.
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