Portal Test Chamber 03

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Chapter 1 - Part 4: Test Chamber 03

Chamber number 0.pngChamber number 3.png

Test Chamber Infobox previous.png
Test Chamber Infobox next.png
Test Chamber Infobox Portal Guy.png
Chamber progress 0.pngChamber progress 3.pngChamber progress slash.pngChamber progress 1.pngChamber progress 9.png

Portal Test Chamber 03.png
Chamber icon cube dispenser.pngChamber icon cube hazard.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 fourth level of the game and introduces the player to the basic principles of portal-placement.




  • Place a portal on a nearby wall and walk through it.
  • Look to the right to see the Chamberlock, fire a portal at one of the walls near it. Walk back through the portal.
  • Proceed in to the Chamberlock.

Video walkthrough

Download Download demo file


Main article: Portal soundtrack

Taste Of Blood by Valve Studio Orchestra [3:06]