Top 100 Portal 2 Videos With The Longest Duration by Astral Atlas
| Video Title | Duration | Category | Game | |
|---|---|---|---|---|
| 1. | Portal 2: Episode 4, Red the friendly LAZER | 20:38 | Portal 2 | |
| 2. | Portal 2: Episode 5, Backtracked | 20:20 | Portal 2 | |
| 3. | Portal 2 Episode 14 | 19:53 | Portal 2 | |
| 4. | Portal 2 Episode 12 | 17:27 | Portal 2 | |
| 5. | Portal 2 Episode 10 | 17:16 | Portal 2 | |
| 6. | Portal 2 Episode 8, Button Serenade | 16:56 | Portal 2 | |
| 7. | Portal 2: Episode 3, Dont PRESS the BUTTON!! | 16:51 | Portal 2 | |
| 8. | Portal 2 Episode 13 | 16:01 | Portal 2 | |
| 9. | Portal 2 Episode 7, The Game Show | 15:53 | Portal 2 | |
| 10. | Portal 2: Episode 2 - Now We're NOT Thinking With Portals | 15:49 | Portal 2 | |
| 11. | Portal 2 Episode 9, Flying into Bridges | 15:35 | Portal 2 | |
| 12. | Portal 2 Part 11 | 15:29 | Portal 2 | |
| 13. | Portal 2 Episode 6: Playing with Lasers | 15:24 | Portal 2 | |
| 14. | Portal 2: Episode 1 - Editing MARK | 15:11 | Portal 2 |