Top 100 Portal 2 Videos With The Longest Duration by M3LI0DA5
| Video Title | Duration | Category | Game | |
|---|---|---|---|---|
| 1. | Portal episode 3 (Water of Death) | 20:30 | Show | Portal 2 |
| 2. | Portal episode 1 (Playing with the Radios) | 17:25 | Show | Portal 2 |
| 3. | Portal episode 2 (Where is the Signal) | 17:20 | Show | Portal 2 |