Top 100 Portal 2 Videos With The Longest Duration by Millennial vs Game Library
| Video Title | Duration | Category | Game | |
|---|---|---|---|---|
| 1. | Portal 2 [PC] [FIRST HOUR] [NO COMMENTARY] | 1:00:03 | Portal 2 | |
| 2. | Portal 2. A hilarious puzzle game from Valve. Must play. | 0:16 | Portal 2 |