Top 100 Portal 2 Videos With The Longest Duration by TheIronSpine
| Video Title | Duration | Category | Game | |
|---|---|---|---|---|
| 1. | Portal 2 Coop Campaign Episode 8 | 28:39 | Portal 2 | |
| 2. | Portal 2 Coop Campaign Episode 3 | 28:14 | Portal 2 | |
| 3. | Portal 2 Coop Campaign Episode 6 | 27:58 | Portal 2 | |
| 4. | Portal 2 Coop Campaign Episode 5 | 27:57 | Portal 2 | |
| 5. | Portal 2 Coop Campaign Episode 1 | 26:53 | Portal 2 | |
| 6. | Portal 2 Coop Campaign Episode 7 | 25:42 | Portal 2 | |
| 7. | Portal 2 Coop Campaign Episode 4 | 25:37 | Portal 2 | |
| 8. | Portal 2 Coop Campaign Episode 2 | 25:37 | Portal 2 | |
| 9. | Portal 2 Coop Campaign Episode 10 | 25:31 | Portal 2 | |
| 10. | Portal 2 Coop Campaign Episode 9 | 23:06 | Portal 2 | |
| 11. | Portal 2 Coop Campaign Episode 11 | 20:38 | Portal 2 | |
| 12. | Portal 2 Coop Campaign Episode 12 | 20:31 | Portal 2 | |
| 13. | Portal 2 Coop Campaign Episode 13 | 18:45 | Portal 2 |