Portal Test Chamber 04

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Test Chamber 04

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 Test Chamber 04.png
Chamber icon cube dispenser on.pngChamber icon cube hazard on.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 fifth level of the game, and combines the basics of portal placement and the use of the Weighted Storage Cube.



  • Approach the cube dispenser to activate it.
  • Place a portal underneath the Weighted Storage Cube in the pit.
  • Collect the cube and place it on the button.
  • Proceed to the Chamberlock.

Video walkthrough

Download Download demo file