Top 100 Portal 2 Videos With The Longest Duration by MattChats
| Video Title | Duration | Category | Game | |
|---|---|---|---|---|
| 1. | Portal 2 - Part 3 - A Butt up the Face | 16:48 | Portal 2 | |
| 2. | Portal 2 - Part 2 - For Science. You Monster. | 16:38 | Portal 2 | |
| 3. | Portal 2 - Part 1 - I am a Lady | 13:54 | Portal 2 | |
| 4. | Super Valve Day Trailer | 1:34 | Preview | Portal 2 |