Top 100 Portal 2 Videos With The Longest Duration by Calplus
| Video Title | Duration | Category | Game | |
|---|---|---|---|---|
| 1. | Portal 2 Walkthrough + Developer Commentary | 2:44:13 | Walkthrough | Portal 2 |
| 2. | Flying Without a Care In The World | Portal 2 (Chapter 2: The Cold Boot) | 18:01 | Portal 2 |