Portal 2 Chapter 2 Test Chamber 8

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Chapter 2 - Test Chamber 08
sp_a2_fizzler_intro.bsp Fizzler Intro

Chamber number 0.pngChamber number 8.png

Test Chamber Infobox previous.png
Test Chamber Infobox next.png
Test Chamber Infobox Portal Guy.png
Chamber progress 0.pngChamber progress 8.pngChamber progress slash.pngChamber progress 2.pngChamber progress 2.png

Portal 2 Chapter 2 Test Chamber 08.png
Chamber icon cube dispenser on.pngChamber icon cube button on.pngChamber icon cube hazard on.pngChamber icon water hazard.pngChamber icon fling enter.png
Chamber icon fling exit.pngChamber icon laser sensor on.pngChamber icon laser redirection on.pngChamber icon turret hazard.pngChamber icon dirty water.png

This is the seventeenth level of the game, and is the final part of Chapter 2. The level takes place within a dilapidated Test Chamber, and requires the player to circumvent a large Emancipation Grid and successfully activate a Thermal Discouragement Beam's receptacle using a Discouragement Redirection Cube.



  • Wait for GLaDOS to finish rebuilding the chamber.
  • Walk up though the Emancipation Grid.
  • Press the button to release a Discouragement Redirection Cube.
  • Fire a portal though the hole in the glass, and one to your right.
  • Walk into the portal and grab the Redirection Cube, then walk back though the same portal.
  • Use the Redirection Cube to aim the Thermal Discouragement Beam toward the receptacle.
  • Walk out though the Emancipation Grid, and proceed to the Chamberlock.

Video walkthrough

Download Download demo file


  • If you are fast and complete the chamber before the dialogue is finished, the exit door doesn't open.