Top 100 Portal 2 Videos With The Longest Duration by The Game Box
| Video Title | Duration | Category | Game | |
|---|---|---|---|---|
| 1. | Portal: Reloaded - Part 1 | PAComms | 21:49 | Portal 2 | |
| 2. | Portal 2 - Part 3 | PAClassics | 21:34 | Portal 2 | |
| 3. | Portal 2 - Part 1 | PAClassics | 20:44 | Portal 2 | |
| 4. | Portal 2 - Part 4 | PAClassics | 20:31 | Portal 2 | |
| 5. | Portal 2 - Part 2 | PAClassics | 20:17 | Portal 2 |