Top 100 Portal Videos With The Longest Duration by McGilm
| Video Title | Duration | Category | Game | |
|---|---|---|---|---|
| 1. | Portal Part TWO | 46:13 | Portal | |
| 2. | Portal | 32:59 | Portal | |
| 3. | Let's Play: Portal Part ONE | Radios Galore | 29:19 | Portal | |
| 4. | Spider-Man visits The Base | 12:29 | Portal |