Top 100 Portal 2 Videos With The Longest Duration by MrMultimedia
| Video Title | Duration | Category | Game | |
|---|---|---|---|---|
| 1. | Portal 2: MrM and the Past of Aperture Science | 2:26:05 | Portal 2 | |
| 2. | Portal: MrMultimedia's Summer Stream | 2:19:55 | Portal 2 | |
| 3. | Portal 2: MrM Wakes Up... Much, Much Later | 2:05:48 | Portal 2 | |
| 4. | Portal 2: MrM in the New and Old Laboratories | 2:03:49 | Portal 2 |