Cooperative Testing Initiative/Calibration Course

This is the first level in Cooperative Testing Initiative 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

Trivia

 * Players can use the console command say while the movie is playing...

GLaDOS' voice lines

 * when P-body dies to the Goo.
 * when Atlas dies to the Goo.
 * when P-body dies to the Goo.
 * when Atlas dies to the Goo.
 * when P-body dies to the Goo.
 * when Atlas dies to the Goo.
 * when P-body dies to the Goo.
 * when Atlas dies to the Goo.
 * when P-body dies to the Goo.
 * when Atlas dies to the Goo.
 * when P-body dies to the Goo.
 * when Atlas dies to the Goo.
 * when P-body dies to the Goo.
 * when Atlas dies to the Goo.
 * when P-body dies to the Goo.
 * when Atlas dies to the Goo.
 * when P-body dies to the Goo.
 * when Atlas dies to the Goo.
 * when P-body dies to the Goo.
 * when Atlas dies to the Goo.
 * when P-body dies to the Goo.
 * when Atlas dies to the Goo.
 * when P-body dies to the Goo.
 * when Atlas dies to the Goo.
 * when P-body dies to the Goo.
 * when Atlas dies to the Goo.
 * when P-body dies to the Goo.
 * when Atlas dies to the Goo.