Test Chamber 09 (Advanced)

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Test Chamber 09 (Advanced)

Chamber number 0.pngChamber number 9.png

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

Portal Prelude Test Chamber 09 (Advanced).png
Chamber icon cube dispenser.pngChamber icon cube hazard.pngChamber icon pellet hazard.pngChamber icon pellet catcher.pngChamber icon water hazard on.png
Chamber icon fling enter on.pngChamber icon fling exit on.pngChamber icon turret hazard.pngChamber icon dirty water on.pngChamber icon empty.png
Chamber icon empty.pngChamber icon empty on.pngChamber icon empty.pngChamber icon empty.pngChamber icon cake.png

This is the second advanced Test Chamber of the game. This version is unlocked when the original Test Chamber 09 has been completed. It as the extra challenge such has a harder Infinite Jump, less white surfaces, a faster Suppressor Field and the removal of the supplementary ledge.



  • Place the portals on the only portalable surfaces on the floor.
  • Jump through the lower portal. Just after passing through, move in the air to go through the same portal. You will gain more momentum. Repeat this if necessary.
  • When you are high enough, shoot a portal on the concrete section of the floor behind the glass, then go back in the room entrance.
  • Fire the other portal on the lower level, then jump through at the good time to avoid the Electricity Field.
  • Run across the Electricity Field quickly and jump over the little gap.
  • Go to the Chamberlock.

Video walkthough

See also