Top 100 Portal 2 Videos With The Longest Duration by ImplodingZombie
| Video Title | Duration | Category | Game | |
|---|---|---|---|---|
| 1. | New companion sphere! - Portal Revolution (part 2) | 2:59:45 | Portal 2 | |
| 2. | Barely thinking with portals - Portal Revolution (part 1) | 2:41:51 | Portal 2 |