Top 100 Portal 2 Videos With The Longest Duration by UltimoFive Guides
| Video Title | Duration | Category | Game | |
|---|---|---|---|---|
| 1. | Portal 2 | Episode 2 | Science isn't about WHY, it's about WHY NOT! | 2:01:28 | Portal 2 | |
| 2. | Portal 2 | Episode 1 | Science isn't fun without Cyanide! | 1:54:53 | Portal 2 | |
| 3. | Portal 2 | Episode 3 | Well here we are again. Its always such a pleasure. | 53:52 | Portal 2 |