Top 100 Portal 2 Videos With The Longest Duration by Robotnik35
| Video Title | Duration | Category | Game | |
|---|---|---|---|---|
| 1. | Portal 2 #4 | ESCAPE PLAN | 53:09 | Portal 2 | |
| 2. | Portal 2 #6 | FUN WITH GEL | 49:30 | Portal 2 | |
| 3. | Portal 2 #5 | REMNANTS OF THE PAST | 49:24 | Portal 2 | |
| 4. | Portal 2 #7 | TURRET CUBES | 48:21 | Portal 2 | |
| 5. | Portal 2 #8 (Finale) | GOODBYE, APERTURE LABS | 45:24 | Portal 2 | |
| 6. | Portal 2 #1 | RETURN TO APERTURE LABS | 37:13 | Portal 2 | |
| 7. | Portal 2 #3 | FRIED TURRETS | 36:16 | Portal 2 | |
| 8. | Portal 2 #EX | CHALLENGE MODE, LEVEL EDITOR & MORE! | 28:33 | Portal 2 | |
| 9. | Portal 2 #2 | PLAYING WITH LASERS | 23:00 | Portal 2 |