List of Test Chambers in Portal 2.
Chapter 1: The Courtesy Call
Chapter 2: The Cold Boot
Chapter 3: The Return
Chapter 4: The Surprise
Chapter 5: The Escape
Chapter 6: The Fall
Chapter 7: The Reunion
Chapter 8: The Itch
Chapter 9: The Part Where He Kills You
Hub
Calibration Course
Course 1: Team Building
Course 2: Mass and Velocity
Course 3: Hard-Light Surfaces
Course 4: Excursion Funnels
Course 5: Mobility Gels
Additional Course: Art Therapy
Additional Course: Non-Emotional Manipulation