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
1Wave to each other.
2Ping your favourite animal (choices: horse, deer, rooster, elephant, wolf, moose, baboon, porcupine, rhinoceros).
3Ping your favourite Periodic element (choices: copper, zinc, gallium, silver, cadmium, indium, gold, mercury, thallium).
4Use the Ping tool to place Portals with the help of GLaDOS, then take the Portal Gun.
5Place portals to reach the higher ledge.
6Stand on a button to make Orange able to proceed.
7Stand on a button to make Blue able to proceed.
8Use the portals to make Blue able to proceed.
9Use cubes to open a passage for each other.
10Activate the dropper.
11Place the cube on button.
12Pass the cube back to Orange.Stand on a button.
13Shoot portals.
14Pass through the portals, press a button to activate platforms leading to exit.

Video walkthrough