Top 100 Portal 2 Videos With The Longest Duration by Treeb
| Video Title | Duration | Category | Game | |
|---|---|---|---|---|
| 1. | Portal 2 Co-op - Part 2 | 16:24 | Portal 2 | |
| 2. | Portal 2 Co-op - Part 3 | 16:04 | Let's Play | Portal 2 |
| 3. | Portal 2 Co-op - Part 1 | 12:37 | Portal 2 | |
| 4. | Portal 2 Co-op - Part 4 | 11:27 | Portal 2 |