Top 100 Portal 2 Videos With The Longest Duration by Buzz Gaming
| Video Title | Duration | Category | Game | |
|---|---|---|---|---|
| 1. | Portal 2 walkthrough part 8 (no commentary) | 53:04 | Walkthrough | Portal 2 |
| 2. | Portal 2 walkthrough part 7 (no commentary) | 40:34 | Walkthrough | Portal 2 |
| 3. | Portal 2 walkthrough part 1 (no commentary) | 32:10 | Portal 2 | |
| 4. | Portal 2 walkthrough part 9 & 10 (no commentary) | 27:36 | Walkthrough | Portal 2 |