Top 100 Portal 2 Videos With The Longest Duration by flameguy21 archives
| Video Title | Duration | Category | Game | |
|---|---|---|---|---|
| 1. | Portal 2 Co-op (with SpaceKing) - Part 1: Smooth brain hours | 2:54:13 | Portal 2 | |
| 2. | Portal 2 Co-op (with SpaceKing) - Part 2: Screw attacking | 2:08:37 | Portal 2 | |
| 3. | Portal 2 Co-op (with SpaceKing) - Part 3: High arts | 1:15:48 | Portal 2 |