Portal Test Chamber 15 (Advanced)

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Test Chamber 15 (Advanced)

Chamber number 1.pngChamber number 5.png

Test Chamber Infobox previous.png
Test Chamber Infobox next.png
Test Chamber Infobox Portal Guy.png
Chamber progress 1.pngChamber progress 5.pngChamber progress slash.pngChamber progress 1.pngChamber progress 9.png

Portal Test Chamber 15 Advanced.png
Chamber icon cube dispenser.pngChamber icon cube hazard.pngChamber icon pellet hazard on.pngChamber icon pellet catcher on.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 cake.png

This is the third advanced chamber of the game. This version is unlocked when the original Test Chamber 15 has been completed. It has the extra challenge of making the flings harder, one more Material Emancipation Grill in the first pellet puzzle, different ricocheting for the second pellet puzzle, faster moving Unstationary Scaffolding, and trickier button presses.


  • Pellet hazard.
  • Goo


- in progress -

Video walkthrough

Download Download demo file

Related achievements

Beat two Portal advanced maps.
Beat four Portal advanced maps.
Vanilla Crazy Cake
Vanilla Crazy Cake
Beat all six Portal advanced maps.

See also

Portal Test Chamber 15