Top 100 Portal Videos With The Longest Duration by splunique250
| Video Title | Duration | Category | Game | |
|---|---|---|---|---|
| 1. | Walkthrough: Portal part 3 | 10:36 | Walkthrough | Portal |
| 2. | Walkthrough: Portal part 4 | 10:34 | Walkthrough | Portal |
| 3. | Walkthrough: Portal part 1 | 9:52 | Walkthrough | Portal |
| 4. | Walkthrough: Portal part 6 (final) | 8:55 | Walkthrough | Portal |
| 5. | Walkthrough: Portal part 2 | 8:54 | Walkthrough | Portal |
| 6. | Walkthrough: Portal part 5 | 8:15 | Walkthrough | Portal |