Portal 2 Co-op Calibration Course

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Calibration Course

Chamber number ?.pngChamber number ?.png

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

Chamber icon water hazard on.pngChamber icon player button on.pngChamber icon cube button on.pngChamber icon cube hazard on.pngChamber icon pass cube on.png
Chamber icon turret hazard.pngChamber icon laser hazard.pngChamber icon laser redirection.pngChamber icon crusher hazard.pngChamber icon dirty water on.png

This is the first level in Co-op mode of Portal 2. Its purpose is to teach player the basics of Cooperative testing, like the Ping Tool, thinking with four portals, etc.


  • Goo


# Atlas P-body
1Ping your favourite animal.
2Ping your favourite element from Periodic Table.
3Use the Ping tool to place Portals with the help of GLaDOS, then take the Portal Gun.
4Place portals to reach the higher ledge.
5Stand on a button to make Orange able to proceed.
6Stand on a button to make Blue able to proceed.
7Use the portals to make Blue able to proceed.
8Use cubes to open a passage for each other.
9Activate the dropper.Catch the cube.
10Pass the cube to Blue, and proceed to the button.
11Pass the cube back to Orange.Place the cube on button.
12Shoot portals.Stand on a button.
13Pass through the portals, press a button to activate platforms leading to exit.

Video walkthrough