Top 100 Portal 2 Videos With The Longest Duration by Training for a Tri with Brian
| Video Title | Duration | Category | Game | |
|---|---|---|---|---|
| 1. | Portal 2 | Episode 7 | The Old Aperture | 22:03 | Portal 2 | |
| 2. | Portal 2 | Episode 6 | In Wheatley I Trust | 21:55 | Portal 2 | |
| 3. | Portal 2 | Episode 10 | That Looks Wrong | 20:58 | Portal 2 | |
| 4. | Portal 2 | Episode 5 | Lab Testing | 20:38 | Portal 2 | |
| 5. | Portal 2 | Episode 2 | My Bouncy Ball | 20:37 | Portal 2 | |
| 6. | Portal 2 | Episode 1 | Brain Damaged | 20:35 | Portal 2 | |
| 7. | Portal 2 | Episode 9 | Beard Dirt | 20:25 | Portal 2 | |
| 8. | Portal 2 | Episode 8 | Liquified | 20:17 | Portal 2 | |
| 9. | Portal 2 | Episode 3 | Stumped | 20:07 | Portal 2 | |
| 10. | Portal 2 | Episode 4 | I'm Batman! | 19:59 | Portal 2 | |
| 11. | Portal 2 | Episode 11 | Paradoxes | 18:30 | Portal 2 |