Puzzle 10

This level will test your ability to fling yourself across large spaces. As you walk out of the elevator you’ll see some steps that are too high for you to reach. Place the blue portal on the floor in front of the raised steps. There’s an orange portal on the wall behind you.

Drop through the blue portal and if you’ve place it correctly you’ll come out of the orange portal and fall through the blue portal again. This will increase your speed and as you go out of the orange portal you’ll be flung onto the raised steps.

Continue through the open door to a drop off. Place the blue portal on the floor in the gap. The orange portal is on a raised tile behind you. Drop into the blue portal to be flung across to the other side.

Continue through to yet another fling puzzle. This time the orange portal is on the ground. Shoot a blue portal on the tile in the air behind you. Drop through the orange portal to fling yourself across.

You’ll land on a higher ledge and the tiles in the air behind you will move closer. Place a blue portal on the tiles in the air and then drop down through the orange portal once more. This time you’ll land on the highest ledge with the lift. Go through to end the level.

Puzzle 11

Walk up the stairs and place a portal on one of the walls. Look through to see a rotating portal gun. Wait for it to shoot a portal on the wall next to the ledge with the red button. Quickly press the red button to open the door ahead and shoot a blue portal on the wall on the other side of the door.

Go through the orange portal to arrive in the room behind the door. Place a blue portal on the wall where the light balls are hitting. Eventually the light ball will go into the receptacle in the large room and activate the platform.

Go back through the portal when the orange portal is on the wall next to the moving platform and get on. Take the platform to the center island pick up the orange portal gun. A red button will lift up. Press the red button to open the door above and then place a portal on the other side. Place the second portal on the wall at the end of the moving platform. Hop onto the platform and go through the portal. Go through to the level exit.

Puzzle 12

Walk forwards and look down to the right. Place a blue portal on the platform below and the orange up on the vertical tiles above. Drop into the blue portal to be flung across onto the ledge above.

Now that you’re up here you’ll be able to see the next highest vertical tiles above. Place the orange portal on the vertical tiles above and drop once more down through the blue portal.

Step on the red button to release a cube. The vertical tiles just beyond the red button will tilt up towards the ledge with the cube. Place the orange portal on the tilted tiles and drop down once more through the blue portal you placed in the beginning. You’ll be flung up to the ledge with the cube.

Pick up the cube, drop down to the ledge with the red button and place the cube on the red button. Drop through the blue portal again to fling yourself up to the highest ledge and go through to the level exit.

Next: Portal Chapter 5 (Puzzle 13)

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