Top 100 Portal Videos With The Longest Duration by Ottomatically Awesome
| Video Title | Duration | Category | Game | |
|---|---|---|---|---|
| 1. | Portal Playthrough Pt.4 | 25:41 | Portal | |
| 2. | Portal Playthrough Pt.2 | 25:13 | Let's Play | Portal |
| 3. | Portal Playthrough Pt.1 | 24:19 | Let's Play | Portal |
| 4. | Portal Playthrough Pt.3 | 15:54 | Let's Play | Portal |
| 5. | Portal Playthrough Pt.5 | 13:08 | Let's Play | Portal |