Test Chamber 05

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Test Chamber 05

Chamber number 0.pngChamber number 5.png

Test Chamber Infobox previous.png
Test Chamber Infobox next.png
Test Chamber Infobox Portal Guy.png
Chamber progress 0.pngChamber progress 5.pngChamber progress slash.pngChamber progress 1.pngChamber progress 9.png

Portal Test Chamber 05.png
Chamber icon cube dispenser.pngChamber icon cube hazard on.pngChamber icon pellet hazard.pngChamber icon pellet catcher.pngChamber icon water hazard.png
Chamber icon fling enter.pngChamber icon fling exit.pngChamber icon turret hazard.pngChamber icon dirty water.pngChamber icon cake.png

This Test Chamber is the sixth level of the game, and requires the player to utilise multiple Weighted Storage Cubes in order to proceed.





  • Complete GLaDOS' Test Track (Test Chamber 05)



  • Aperture Science Enrichment Center
  • Test Chamber 05 (GLaDOS)


  • Approach the pit at the back of the room and place a portal underneath the Cube.
  • Place a portal on a nearby wall or floor and go through it.
  • Collect the Cube and walk back through the portal.
  • Place the cube on either of the buttons.
  • Go back through your portal and stand on the raised platform.
  • Place a portal on the wall behind the raised platform on the opposite side of the chamber.
  • Go through the orange portal and collect the other cube.
  • Place the second Cube on the other button.
  • Proceed into the Chamberlock.

Video walkthrough

Download Download demo file

Angering GLaDOS

  • Complete the chamber up to the point where the Chamberlock door opens.
  • Fire a portal through the door at the wall or floor in the secondary room.
  • Next throw a cube through the orange portal.
  • If you are unable to get the perfect momentum and angle to throw a cube through the portal use this method:
  1. Grab a cube and jump up at the platform with the orange portal and without letting the cube go get it on the platform.
  2. Attempt to move the cube through the orange portal.
  • If done correctly GLaDOS will say "You’re not a good person. You know that, right?", the Chamberlock will be opened and both buttons will freeze, making them unpressable.
  • Once entering the Chamberlock the game will resume.