Portal 2 Co-op Calibration Course
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Calibration Course
mp_coop_start.bsp 
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.
Hazards
- Goo
Walkthrough
| # | Atlas | P-body |
|---|---|---|
| 1 | Wave to each other. | |
| 2 | Ping your favourite animal (choices: horse, deer, rooster, elephant, wolf, moose, baboon, porcupine, rhinoceros). | |
| 3 | Ping your favourite Periodic element (choices: copper, zinc, gallium, silver, cadmium, indium, gold, mercury, thallium). | |
| 4 | Use the Ping tool to place Portals with the help of GLaDOS, then take the Portal Gun. | |
| 5 | Place portals to reach the higher ledge. | |
| 6 | Stand on the button so that P-Body can proceed. | |
| 7 | Stand on the button so that Atlas can proceed. | |
| 8 | Use the portals so that Atlas can proceed. | |
| 9 | Use cubes to open a passage for each other. | |
| 10 | Activate the dropper. | |
| 11 | Place the cube on the button. | |
| 12 | Pass the cube back to P-Body. | Stand on the button. |
| 13 | Shoot portals. | |
| 14 | Pass through the portals, press a button to activate platforms leading to exit. | |
