Top 100 Portal Videos With The Longest Duration by IamDylan
| Video Title | Duration | Category | Game | |
|---|---|---|---|---|
| 1. | Portal 3 - Advanced Brains Only | 12:12 | Portal | |
| 2. | Portal 4 - Bouncing Orbs of Death | 12:12 | Portal | |
| 3. | Portal 2 - Time for an Upgrade | 11:28 | Portal | |
| 4. | Portal 8 - Boss Fight! | 11:26 | Portal | |
| 5. | Portal 7 - We're Getting Closer | 11:18 | Portal | |
| 6. | Portal 1 - Time to Test | 11:02 | Portal | |
| 7. | Portal 6 - Beyond the Tests | 9:51 | Portal | |
| 8. | Portal 5 - Brain Work Good | 8:30 | Portal |