Top 100 Portal 2 Videos With The Longest Duration by Robotortoise
| Video Title | Duration | Category | Game | |
|---|---|---|---|---|
| 1. | Portal 2 3D Test Video | 11:27 | Portal 2 | |
| 2. | Portal 2 Chapter 5: The Escape (With the lights turned on) | 7:57 | Portal 2 | |
| 3. | Running The Stanley Parable in the Portal 2 engine | 4:18 | Portal 2 |