Top 100 Portal 2 Videos With The Longest Duration by Synision
| Video Title | Duration | Category | Game | |
|---|---|---|---|---|
| 1. | Portal 2 FINISHED CHAPTERS (4 - 10) | 2:00:00 | Portal 2 | |
| 2. | Portal 2 Chapter 3 [sv cheats] | 29:39 | Portal 2 | |
| 3. | Portal 2 Chapter 1 [used sv_cheats because i was bored] | 25:59 | Portal 2 | |
| 4. | Portal 2 Chapter 10 Boss fight | 19:23 | Portal 2 | |
| 5. | Portal 2 Chapter 2 [sv cheats] | 17:43 | Portal 2 | |
| 6. | Come try my Portal 2 test its in the description | 4:00 | Portal 2 | |
| 7. | Portal 2 Companion Cube OST | 2:50 | Portal 2 |