Top 100 Portal 2 Videos With The Longest Duration by Inductive Gaming
| Video Title | Duration | Category | Game | |
|---|---|---|---|---|
| 1. | Portal 2 Co-Op #0: Portal 1 Co-Op Course [Full Playthrough] | 1:08:53 | Portal 2 | |
| 2. | Portal 2 Co-Op #3: Course 2 - Mass and Velocity | 41:08 | Portal 2 | |
| 3. | Portal 2 Co-Op #2: Course 1 - Team Building | 16:08 | Portal 2 | |
| 4. | Portal 2 Co-Op #1: Calibration Course | 7:13 | Portal 2 |