Top 100 Portal Videos With The Longest Duration by Ema Pex
| Video Title | Duration | Category | Game | |
|---|---|---|---|---|
| 1. | Portal, but there are no portals | 38:19 | Portal | |
| 2. | Playing Portal but Twitch chat can modify the game (sorry YouTube chat) | 0:00 | Portal | |
| 3. | Portal but Twitch chat can modify the game, attempt two | 0:00 | Portal |