Test Chamber 04 (Bonus)

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Test Chamber 04 (Bonus)

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 Prelude Test Chamber 04.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 on.pngChamber icon fling exit on.pngChamber icon turret hazard.pngChamber icon dirty water.pngChamber icon empty.png
Chamber icon empty.pngChamber icon empty.pngChamber icon empty on.pngChamber icon empty on.pngChamber icon cake.png

This is the second Bonus map of the game. It is unlocked when the original Test Chamber 04 has been completed.


  • None



  • To do


  • To do


  • To do

Award requirements

Portals Steps Time
Bronze Silver Gold Bronze Silver Gold Bronze Silver Gold
4 Portals 3 Portals 2 Portals 45 Steps 35 Steps 25 Steps 25 Seconds 20 Seconds 15 Seconds

Video strategies

  • To do

See also