Portal 2 Chapter 2 Test Chamber 1

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Chapter 2 - Test Chamber 01
sp_a2_laser_intro.bsp Laser Intro

Chamber number 0.pngChamber number 1.png

Test Chamber Infobox previous.png
Test Chamber Infobox next.png
Test Chamber Infobox Portal Guy.png
Chamber progress 0.pngChamber progress 1.pngChamber progress slash.pngChamber progress 2.pngChamber progress 2.png

User Moussekateer Portal 2 Act 2 Test Chamber 01.png
Chamber icon laser sensor on.pngChamber icon laser redirection.pngChamber icon cube dispenser.pngChamber icon cube button.pngChamber icon cube hazard.png
Chamber icon player button.pngChamber icon water hazard.pngChamber icon turret hazard.pngChamber icon laser hazard.pngChamber icon dirty water.png

This is the tenth level of the game, and takes place within a dilapidated Test Chamber. This level introduces the Thermal Discouragement Beam, and the way in which it can be used to activate Panels and thereby grant access to inaccessible areas. This Chamber corresponds with Test Chamber 06 from the original Portal.



  • Proceed to the Victory Lift.
  • While standing on it, shoot a portal on the floor where the Thermal Discouragement Beam makes contact and place the other portal on the ceiling above the receptacle.
  • The Victory Lift will rise, proceed to the Chamberlock.

Video walkthrough

Download Download demo file

Related achievements

Complete the first Thermal Discouragement Beam test

Easter Eggs

This test is the same test as Test Chamber 06 in Portal 1, which you can see the energy ball launcher and catcher before GLaDOS replaces them with the lasers.