Top 100 Portal 2 Videos With The Longest Duration by HumbleBytes
| Video Title | Duration | Category | Game | |
|---|---|---|---|---|
| 1. | Bouncy Blue Goop - Portal 2 | 56:00 | Portal 2 | |
| 2. | Having fun with Gray Gel - Portal 2 | 45:31 | Portal 2 | |
| 3. | Being called fat by GLADoS - Portal 2 | 38:12 | Portal 2 | |
| 4. | Lots of Gel tubes - Portal 2 | 37:15 | Portal 2 | |
| 5. | The Awakening of GLADoS - Portal 2 | 36:44 | Portal 2 | |
| 6. | Continuing our adventure through the chambers - Portal Episode # 5 | 35:00 | Portal 2 | |
| 7. | Defeating many drones - Portal 2 | 34:50 | Portal 2 | |
| 8. | The Escape From GLADoS - Portal 2 | 32:20 | Portal 2 | |
| 9. | Blue and Orange gels - Portal 2 | 29:18 | Portal 2 | |
| 10. | Stuck on one Chamber - Portal 2 | 29:05 | Portal 2 | |
| 11. | Portal Episode # 4 | 22:32 | Portal 2 | |
| 12. | Our adventure through the chambers continues - Portal 2 | 20:59 | Portal 2 | |
| 13. | Portal Episode # 2 | 18:05 | Portal 2 | |
| 14. | Lost and confused - Portal 2 | 17:38 | Portal 2 |