Chapter 1 - Test Chamber 04

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Chapter 1 - 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 6.png

Gg blue only 2 pt2.jpg
Chamber icon cube button on.pngChamber icon dirty water on.pngChamber icon laser redirection on.pngChamber icon laser sensor on.pngChamber icon laser field.png
Chamber icon turret hazard on.pngChamber icon crusher hazard.pngChamber icon light bridge on.pngChamber icon excursion funnel on.pngChamber icon faith plate.png

Chamber gel indicator blue.pngChamber gel indicator off.png

This is the fifth level of the game.


This chamber is the first actual puzzle of the game. The player is reintroduced to the Hard Light Bridge, the Sentry Turrets and the Discouragement Redirection Cube.





  • Get rid of the Turret to your left.
  • Bounce to the platform with a Weighted Storage Cube. Get rid of the Turrets there.
  • Bounce back to the starting area with the cube. Put it on the button.
  • Bounce up to the Hard Light Bridge.
  • Spray it with the gel and bounce up to the ledge it touches.
  • Bounce to the platform with the other button.
  • Spray the cube with the gel to get rid of it.
  • Stand on the button to activate the Excursion Funnel before another cube gets delivered.
  • Wait until the cube is above the platform you're on, then either grab it or step off of the button.
  • Put the new cube onto the button.
  • Go in the vertical funnel.
  • Drop off to where you see the Discouragement Redirection Cube. While you fall, spray the gel directly at your feet to get enough height.
  • Drop down all the way to the starting area with the Discouragement Redirection Cube.
  • Put the cube on the button, making sure it also redirects the Thermal Discouragement Beam into its receptacle.
  • Bounce back up to the exit Chamberlock.