Top 100 Portal Videos With The Longest Duration by josafa
| Video Title | Duration | Category | Game | |
|---|---|---|---|---|
| 1. | Portal 1 - Chamber # 19, part 1 | 40:16 | Portal | |
| 2. | Portal 1 - Chamber # 18 | 31:33 | Portal | |
| 3. | Portal 1 - Chamber # 15 | 11:30 | Portal | |
| 4. | Portal 1 - Chamber # 17 | 10:04 | Portal | |
| 5. | Portal 1 - Chamber # 16 | 8:38 | Portal | |
| 6. | Portal 1 - Chamber # 13 | 7:36 | Portal | |
| 7. | Portal 1 - Chamber # 11 | 6:19 | Portal | |
| 8. | Portal 1 - Chambers # 02, 03 & 04 | 5:02 | Portal | |
| 9. | Portal 1 - Chambers # 00 ja 01 | 4:41 | Portal | |
| 10. | Portal 1 - Chambers # 05, 06 & 07 | 4:07 | Portal | |
| 11. | Portal 1 - Chamber # 14 | 3:34 | Portal | |
| 12. | Portal 1 - Chamber #8 | 2:34 | Portal | |
| 13. | Portal 1 - Chamber #10 | 2:21 | Portal | |
| 14. | Portal 1 - Chamber # 12 | 1:56 | Portal | |
| 15. | Portal 1 - Chamber #9 | 1:52 | Portal |