Top 100 Portal 2 Videos With The Longest Duration by Sideshow
| Video Title | Duration | Category | Game | |
|---|---|---|---|---|
| 1. | Portal 2: Gelocity 3 BO3 | 33:31 | Portal 2 | |
| 2. | Portal 2 co-op with OND_KAJA | 29:14 | Portal 2 | |
| 3. | It Can't Be Done! IT CAN'T BE DONE! | 9:05 | Portal 2 | |
| 4. | Perfect end to the Portal 2 segment | 3:22 | Portal 2 |