Top 100 Portal Videos With The Longest Duration by Adventure Network Archives
| Video Title | Duration | Category | Game | |
|---|---|---|---|---|
| 1. | Portal 04 Why not use the chair? (Finale!) | 1:28:15 | Portal | |
| 2. | Portal 03 Big Brain Button Time | 1:06:35 | Portal | |
| 3. | Portal 02 Big Gremlin Energy | 57:07 | Portal | |
| 4. | Portal 01 New Employe Orientation | 48:07 | Portal |