Top 100 Portal 2 Videos With The Longest Duration by 알튜브
| Video Title | Duration | Category | Game | |
|---|---|---|---|---|
| 1. | Portal 2 Finished!! (Ending) | 8:47 | Portal 2 | |
| 2. | Portal 2 Several Achievements Answers/Walkthrough | 5:30 | Walkthrough | Portal 2 |
| 3. | Portal 2 Sound Editing | 1:02 | Portal 2 | |
| 4. | Portal 2 Finished all achivements!! (Memory Vid) | 0:46 | Portal 2 |