Top 100 Portal Videos With The Longest Duration by TheQuickMaple
| Video Title | Duration | Category | Game | |
|---|---|---|---|---|
| 1. | Portal: Episode 2 - 4000 Degrees Kelvin | 30:44 | Show | Portal |
| 2. | Portal: Episode 1 - The Portal Gun | 27:54 | Show | Portal |
| 3. | Portal: Episode 3 - The Cake is a Lie | 27:33 | Show | Portal |
| 4. | Portal: Episode 4 Finale - Still Alive | 25:15 | Show | Portal |