Top 100 Portal Videos With The Longest Duration by Walkthrough GhostGuide
| Video Title | Duration | Category | Game | |
|---|---|---|---|---|
| 1. | The Gate - 4K - Walkthrough - Cool Math Games | 9:14 | Walkthrough | Portal |
| 2. | The Gate - 4K - level 4-8 - Cool Math Games | 1:00 | Walkthrough | Portal |