Top 100 Portal 2 Videos With The Longest Duration by atclem
| Video Title | Duration | Category | Game | |
|---|---|---|---|---|
| 1. | Back With More Portal 2 Coop With Failer Gamer! (Portal 2) | 3:11:01 | Portal 2 | |
| 2. | Playing Some Portal 2 Live (On PC) | 2:39:18 | Portal 2 | |
| 3. | Let's See How Well We Work Together. (Portal 2 Co-op) Featuring Failer Gamer! | 0:00 | Portal 2 |