Top 100 Portal 2 Videos With The Longest Duration by x2Mui
| Video Title | Duration | Category | Game | |
|---|---|---|---|---|
| 1. | Portal 2 Gameplay Walkthrough Part 10-Ending | 38:55 | Walkthrough | Portal 2 |
| 2. | Portal 2 Gameplay Walkthrough Part 6 | 8:04 | Walkthrough | Portal 2 |
| 3. | Portal 2 Gameplay Walkthrough Part 4 | 6:51 | Walkthrough | Portal 2 |