Top 100 Portal 2 Videos With The Longest Duration by Flaming Cow
| Video Title | Duration | Category | Game | |
|---|---|---|---|---|
| 1. | Playing more portal 2 | 1:23:00 | Portal 2 | |
| 2. | Portal 2 part 6: We defeated Wheatley | 47:38 | Portal 2 | |
| 3. | Portal 2: part 4 | 43:03 | Portal 2 | |
| 4. | Playing portal 2 | 42:01 | Portal 2 | |
| 5. | The 5th instalment of Playing Portal 2 | 35:04 | Portal 2 | |
| 6. | Portal 2 part 3 | 32:37 | Portal 2 | |
| 7. | Returning To Portal 2 Co-op | 31:10 | Portal 2 | |
| 8. | A portal 15.ai video | 1:16 | Portal 2 |