Walkthrough

  1. Place a portal on a nearby wall or on the floor.
  2. Proceed through the portal onto the platform.
  3. Proceed up the stairs and onto the extended piece of floor.
  4. Place a portal on the floor below you, and jump through.
  5. Place your portal on the piece of wall that recedes outwards upon entering.

How do you do the Portal 19 chamber test?

Place a portal at the end of the hall near the ceiling. Put the other portal on the wall where the Pellet is bouncing off. Fire a portal on the wall ahead and the other portal on the wall on the left – behind the wall. Watch through the portal as the platform moves to the other side.

How do you beat the test chamber 15 portal?

Walkthrough

  1. Go stand in front of the glass and turn around.
  2. Then look down right in front of you.
  3. Go through the portal.
  4. Go to the second part of the chamber.
  5. When the High Energy Pellet disappears, shoot the other portal on the wall from where the Pellet used to bounce off.

How do you get overclocker in Portal 2?

The Overclocker Achievement/Trophy is acquired in the Test Chamber 10 in Chapter 3. This is a three-tiered level with two mechanical partitions, three aerial faith plates, one laser and laser switch, a refractor crate, one test crate and one button.

How do you beat chamber 18 in portal?

Walkthrough

  1. Walk to the end of the hallway.
  2. Go back in the hall and the shoot a portal on the floor at the end of the hallway.
  3. You should automatically drop through for the second time and then land on the other side of the Goo.
  4. Turn right and place a portal on the ceiling.
  5. Turn to face the platform above.

How do you get past level 14 on portal?

Walkthrough

  1. Go to the end of the hall and turn left.
  2. Turn left and shoot a portal on the panels near the ceiling directly facing the cube.
  3. Go back to the stairs that have now been lowered and then fire the other portal on the floor and go through the portal.
  4. You should land within range of the Weighted Storage Cube.

What happens if you wait 20 years in Portal Reloaded?

The Slow Path: The AI notes in the first chamber that you can wait 20 years until the door opens, or you can travel into the future instantly through the green portal. If you don’t cross the portal immediately, he insists you do it because otherwise you’ll die from thirst before 20 years pass.