Portal 2 Co-op Walkthrough Video Guide (PC, Xbox 360, PS3)

Chapter 3: Mass & Velocity Tests

Levels 1 & 2

Chamber 1

Player blue will need to start off by setting their portal to purple, they will need to shoot their portal on the white wall, then they will need to shoot their blue portal at the alcove. You will need to aim for the top of the alcove which is located on the left hand side. Both blue and orange will need to get to the top of the alcove, you will get to the top of the alcove through this portal. Player orange will then need to shoot their red portal below. This portal will need to take over where the purple portal was located. Both blue and orange players will need to jump through the red portal to get to the next room

in the next room, player orange will need to fire their orange portal under the lift which is located on the left hand side. Orange will then need to set their portal to red and shoot it on the very high wall located on the left hand side. Player blue will then need to fire one of their portals next to the top of the lift, then they will need to shoot another portal on the wall close by. Player blue will then need to make their way through the portal and jump down to land in player orange’s portal. Once player blue has landed through the other side, player blue will need to go over and stand on the switch. Player orange will then need to move their red portal onto the wall located on the right. Once they have done that, player orange will need to make their way through player blue’s portals and their portals. They will come to a second switch which they will need to go over and strand on. This switch will drop a sphere which will allow both player orange and player blue to go to the next chamber.

Chamber 2

Player blue will need to shoot their portals in the small alcove, this alcove has a grill in the middle. Player orange will need to jump into the portals. Player blue will need to make their way over to the switch and press it, this will move the barrier. Once you have made the barrier move, player blue will need to shoot their portal at the incline. This will cause the orange player to be shot forward. When you get to the other end, you will need to do this for the blue player. Once you have both made it to the other side the exit of the chamber will open.

Levels 3 & 4

Chamber 3

First player blue will need to shoot both their portals on the sides of the horizontal grill. Player orange will then need to jump into the portals and wait. Player blue will then need to turn around and drop themselves onto the lower area. Player blue will then need to move over to the large weighted button and stand on it, they will then need to shoot their portal on the wall located to the right. Player orange will then need to shoot the portal to be near the sphere controls. Player orange will then need to let out the sphere. Player orange will need to make their way back to the safe area, then player blue will need to pass through the grill and make their way to the top level. Player orange will then need to give player blue the sphere. Bringing the sphere to the exit will unlock the door.

Chamber 4

First player blue will need to shoot their portals on both either sides of the horizontal grill, player orange will then need to make their way through the portals. This will allow player orange to get some speed!! player blue will then need to make their way back to the area where there are two switches. Player blue will then need to shoot their portals below the switches. This will cause player orange to be thrown between two of the floors. When this is happening, player orange will then need to hit both of the switches, this will release the sphere. Pick up the sphere and bring it to the door located on the right hand side.

Levels 5 & 6

Chamber 5

when you arrive at this chamber, player blue will need to shoot their portals above their jumping pad. They will then need to shoot the purple portal on the sloped ledge. Player orange will need to move passed the grill and shoot their portal on either side of the white wall located over them. Player blue will need to move over ans stand on the jump pad, this will send them soaring to the second level. Once they have made it to the second level, they will need to shoot their portals on the slope located on the right. Player orange will then need to go over to the jumping pad, blue will then need to go through their portal.

When the players arrive in the next area, player blue will need to shoot their portals above the jump pad, they will then need to shoot their purple portal below the cube. Player blue will then need to make their way to the jump pad and head through picking up the cube. Dropping the cube in the main area, player blue will then need to move their purple portal to the wall which is opposite the big grill. Player orange will then need to make their way to the jumping pad and head through blues portals.

When they arrive in the next section, player blue will need to pick up the cube and give it to player orange. Player orange will then need to place the cube onto the button, this will bring up another grill. Player blue will then need to place their purple portals on the wall which is opposite the new grill. Player orange will then need to make their way back to the jump pad and head into the new room.

Player orange will then need to shoot both portals on both of the walls. Once player orange has placed their portals they will need to move out of the way. Once all of the four portals are in the correct place, player blue will need to use the jumping pad to head to the exit. Player orange will then need to shoot another blue portal next to the exit and a purple portal below the exit. This will allow the players to proceed forward.

Chamber 6

Player orange will need to be the first to move through the emancipation grill, they will then need to shoot and place their portals on both of the slopes located to the right hand side. Player blue will then need to place their portals so they will be able to reach the jumping pad. From this point, player blue will need to place their portals on the two slopes located in front of the player. This will allow player blue to soar through all four of the portals, they will then land near the cube controls. Pushing the switch, and catch the cube. You will then need to give the cube to player orange. Now you will both need to switch portals. Player blue will need to shoot at the two slopes which are off from the balcony, and player orange will need to head through the grill and place their portals on the two slopes. Player orange will then need to use the jumping pad to meet up with player blue.

Player blue will then need to set their portals on the only white wall, then head on over to the jump pad. You may have to jump on the jumping pads twice to get to through the portals. Player orange will then need to press the switch whilst player blue is flying round through the portals. This will release a cube, the player will then need to time the drop so it lands right in front of blue as they fly through the portals. Once player blue has the cube, they will be able to jump off the pad and place the cube in the node and head to the exit.

Level 7

Chamber 7

Both of the players will need to shoot their portals at the switches located at the wall. They will then both need to go over to the jumping pad, you will need to both do this at the same time. When you both hit the bottom at the same time, the door will open into the next area.

Player orange will then need to shoot a portal on the checked wall located on the left and shoot another portal on the wall located behind it. Player orange will then need to go over and pick up the cube and align it with the laser node. This will activate the lift. Once the lift has made it high enough, player blue will need to jump through their portals and they will arrive on the other side.

Both of the players will then meet up with one another in the next room. They will need to bring the cube with them. Player blue will then need to head towards the door, player orange will then need to use the jumping pad to open the door on the other side. Player blue will need to move quickly to get through the door. Once the door has shut, player orange will need to shoot and set a portal above the exit and another one near the jumping pad. Dropping the cube onto the jumping pad and make their way into the portals. Once the cube hits the button, head through the door.

Player blue will then need to shoot and set a portal on the checked wall which is above the laser. Standing on the lift they will need to place another portal on the ground in front of them.

Level 8

Chamber 8

For this chamber, a little bit of team work will be a great help! Player blue will need to place their portals on the lowers slope and player orange will need to place their portal on the higher slope. Both of the players will need to lace their portals over the edge below. Player blue will need to jump into their portals and jump onto the button. Player orange will then need go through their portals and pick up the cube as it soars through the air.

Player orange will then need to place their portals to allow the cube to come into the starting area. Using the reflection cube to point the laser into the node. This will stop the very large fan, player blue will then need to place their portals on the right hand side where the slope is, they will then need to shoot another portal on the ledge. Dropping themselves into the portal.

Once player blue has landed, they will need to shoot a portal across from the laser node. Making their way into the next room located on the right, they will need to shoot another portal on the row of cabinets. Player orange will then need to set up their portals on the portals with the label “01”, they will then need to place another portal on the white wall located in front of the fan.

Once they have all four portals in place, player orange will then need to place the laser node close to player blue, this will turn off the fan. Then player orange will need to move passed the fan and finally meet up with player blue again. Making their way over to the located door located on the left hand side, both orange and blue will need to pull the lever at the same time. When the gate opens they will need to go up the stairs and slot the disc into the dive. This will complete this chamber.