Top 100 Portal Videos With The Longest Duration by DarkWalkthroughs
| Video Title | Duration | Category | Game | |
|---|---|---|---|---|
| 1. | Portal [Part 5] | 14:56 | Portal | |
| 2. | Portal [Part 6] | 14:56 | Portal | |
| 3. | Portal [Part 1] | 14:54 | Portal | |
| 4. | Portal [Part 3] | 14:52 | Portal | |
| 5. | Portal [Part 4] | 14:46 | Portal | |
| 6. | Portal [Part 2] | 13:51 | Portal | |
| 7. | Portal [Part 7] | 13:18 | Portal |