Top 100 Portal 2 Videos With The Longest Duration by lmcgregoruk
| Video Title | Duration | Category | Game | |
|---|---|---|---|---|
| 1. | Portal 2 Xbox 360 Playthrough Part 2 | 4:02:15 | Let's Play | Portal 2 |
| 2. | Portal 2 Xbox 360 Playthrough Part 1 | 2:45:22 | Let's Play | Portal 2 |
| 3. | Portal 2 Xbox 360 Playthrough Part 3 | 1:25:34 | Let's Play | Portal 2 |
| 4. | Portal 2 Xbox 360 Playthrough Part 4 | 1:21:31 | Let's Play | Portal 2 |
| 5. | Portal 2 WTF Boom! | 0:10 | Portal 2 |