Top 100 Portal Videos With The Longest Duration by jack3d88 :D
| Video Title | Duration | Category | Game | |
|---|---|---|---|---|
| 1. | Portal episode 1 + transmission received Achievement | 44:10 | Portal | |
| 2. | portal episode 3 + transmission received Advancment | 33:04 | Portal | |
| 3. | portal episode 2 + transmission received Advancment | 31:47 | Portal | |
| 4. | portal episode 4 + transmission received Advancment | 25:19 | Portal |