Top 100 Portal 2 Videos With The Longest Duration by NHT Studios
| Video Title | Duration | Category | Game | |
|---|---|---|---|---|
| 1. | Portal 2 Mayhem! Ep 6 - 2D Scroll Game! | 27:13 | Portal 2 | |
| 2. | Portal 2 Mayhem! Ep 2 - The Disk is a Lie! | 26:47 | Portal 2 | |
| 3. | Portal 2 Mayhem - Butt Camera! | 25:30 | Portal 2 | |
| 4. | Portal 2 Mayhem! Ep 4 - Come Get Some! | 25:00 | Portal 2 | |
| 5. | Portal 2 Mayhem! Ep 5 - Attack of the Lag | 24:13 | Portal 2 | |
| 6. | Portal 2 Mayhem! Ep 3 - Enough With The Bridges! | 20:33 | Portal 2 |