Top 100 Portal 2 Videos With The Longest Duration by TheMaster974 Stream Archives
| Video Title | Duration | Category | Game | |
|---|---|---|---|---|
| 1. | Portal 2 Single Player Playthrough Part #3 | 1:09:47 | Let's Play | Portal 2 |
| 2. | Portal 2 Single Player Playthrough Part #4 | 1:06:47 | Let's Play | Portal 2 |
| 3. | Portal 2 Single Player Playthrough Part #1 | 1:03:47 | Let's Play | Portal 2 |
| 4. | Portal 2 Single Player Playthrough Part #2 | 42:47 | Let's Play | Portal 2 |