Top 100 Portal 2 Videos With The Longest Duration by Subscribe New Channel @ZypharinYT
| Video Title | Duration | Category | Game | |
|---|---|---|---|---|
| 1. | Portal 2 - Part Three (NO COMMENTARY) | 25:41 | Portal 2 | |
| 2. | Portal 2 - Part Two (NO COMMENTARY) | 21:40 | Portal 2 | |
| 3. | Portal 2 - Part One (NO COMMENTARY) | 20:59 | Portal 2 |