Top 100 Portal 2 Videos With The Longest Duration by Partial Sky
| Video Title | Duration | Category | Game | |
|---|---|---|---|---|
| 1. | Ion Fury | Hardest Difficulty | This Is Kinda Hard | Part 2 | Then Portal 2 | Part 1 | 5:07:50 | Portal 2 | |
| 2. | Ion Fury | Hardest Difficulty | Once Again I Ask For More Ammo | Part 3 | Then Portal 2 | Part 2 | 4:25:20 | Portal 2 |