Top 100 Portal 2 Videos With The Longest Duration by Noctastrum
| Video Title | Duration | Category | Game | |
|---|---|---|---|---|
| 1. | The Final Countdown │ Portal 2 #10 (END) | 37:35 | Portal 2 | |
| 2. | Run For Your Life │ Portal 2 #3 | 30:53 | Portal 2 | |
| 3. | GladOS Is Back! │ Portal 2 #2 | 28:45 | Portal 2 | |
| 4. | Moondust │ Portal 2 #7 | 27:22 | Portal 2 | |
| 5. | Back To Testing │ Portal 2 #1 | 25:15 | Portal 2 | |
| 6. | This Place Is Crumbling │ Portal 2 #9 | 24:57 | Portal 2 | |
| 7. | PotatOS │ Portal 2 #6 | 22:55 | Portal 2 | |
| 8. | Wheatley Laboratories │ Portal 2 #8 | 22:29 | Portal 2 | |
| 9. | Genius VS Moron │ Portal 2 #4 | 22:08 | Portal 2 | |
| 10. | Aperture Science │ Portal 2 #5 | 21:06 | Portal 2 |