Cooperative Testing Initiative/Calibration Course: Difference between revisions

   |  atlas-1 = {{Spoiler|Ping your favourite animal.}}

   |  pbody-2 = {{Spoiler|Ping your favourite element from Periodic Table.}}

   |  both-3 = {{Spoiler|Use the Ping tool to place Portals with the help of GLaDOS, then take the Portal Gun.}}

   |  both-4 = {{Spoiler|Place portals to reach the higher ledge.}}

   |  atlas-5 = {{Spoiler|Stand on a button to make Orange able to proceed.}}

   |  pbody-6 = {{Spoiler|Stand on a button to make Blue able to proceed.}}

   |  pbody-7 = {{Spoiler|Use the portals to make Blue able to proceed.}}

   |  both-8 = {{Spoiler|Use cubes to open a passage for each other.}}

   | atlas-9 = {{Spoiler|Activate the dropper.}} | pbody-9 = {{Spoiler|Catch the cube.}}

   | pbody-10 = {{Spoiler|Pass the cube to Blue, and proceed to the button.}}

   | atlas-11 = {{Spoiler|Pass the cube back to Orange.}} | pbody-11 = {{Spoiler|Place the cube on button.}}

   | atlas-12 = {{Spoiler|Shoot portals.}} | pbody-12 = {{Spoiler|Stand on a button.}}

   | pbody-13 = {{Spoiler|Pass through the portals, press a button to activate platforms leading to exit.}}