Top 100 Portal Videos With The Longest Duration by Circuit The World
| Video Title | Duration | Category | Game | |
|---|---|---|---|---|
| 1. | Where's My Cake?! | Let's Play: Portal #3 (End) | 58:44 | Let's Play | Portal |
| 2. | My First Time in Portal | Let's Play: Portal #1 | 43:24 | Let's Play | Portal |