Portal 2 Chapter 8 Test Chamber 4: Difference between revisions

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{{Chamber infobox
{{Chamber infobox
   | title      = Chapter 8 - Test Chamber 4
   | title      = Chapter 8 - Test Chamber 04
   | valve-title= Polarity
   | valve-title= Polarity
   | map        = sp_a4_tb_polarity.bsp
   | map        = sp_a4_tb_polarity.bsp

Revision as of 21:30, 11 June 2016


Chapter 8 - Test Chamber 04
sp_a4_tb_polarity.bsp Polarity

Chamber number 0.pngChamber number 4.png


Test Chamber Infobox previous.png
Test Chamber Infobox next.png
Test Chamber Infobox Portal Guy.png
Chamber progress 0.pngChamber progress 4.pngChamber progress slash.pngChamber progress 1.pngChamber progress 9.png


Portal 2 Chapter 8 Test Chamber 04.png
Chamber icon cube dispenser on.pngChamber icon cube button on.pngChamber icon cube hazard on.pngChamber icon water hazard.pngChamber icon excursion funnel on.png
Chamber icon excursion switch on.pngChamber icon turret hazard on.pngChamber icon dirty water.pngChamber icon blades hazard.pngChamber icon crusher hazard.png

This is the fiftieth level of the game, and takes place within an incomplete Aperture Science Test Chamber. This level features the Excursion Funnel, and introduces the way in which Buttons can be used to change the direction of Funnels. Turrets are present as an additional hazard in this level.

Hazards

Walkthrough

  • Fire a portal at the end of the Excursion Funnel and the other portal at the end of the Turret's targeting laser.
  • Wait for a few seconds for the Turret to travel to a bottomless area and then shoot the portal at the panels below the Funnel Receptacle.
  • Go stand on the button and wait for the Frankenturret to go through the portal.
  • Shoot the same portal on the left of the wall you used to get rid of the Turret. Step off from the button.
  • Frankenturret should come within your reach. Pick it up and place it on the button.
  • Jump in the Funnel, wait until you are on the opposite side and then exit the Funnel.
  • Shoot a portal on the wall next to you to get the Frankenturret off the button.
  • Put a portal in front of the exit and go in the Funnel.
  • Go in the Chamberlock.

Video walkthrough

Download Download demo file

Related achievements

Smash TV
Smash TV
Break 11 test chamber monitors

Music

Main article: Portal 2 soundtrack

TEST by Aperture Science Psychoacoustics Laboratory [6:14] | Download Download | Play icon.png Play Excursion Funnel by Aperture Science Psychoacoustics Laboratory [4:32] | Download Download | Play icon.png Play