Top 100 Portal Videos With The Longest Duration by Voxel64 - VODs and full streams
| Video Title | Duration | Category | Game | |
|---|---|---|---|---|
| 1. | A Knowledge Gap! - Mapperdays #09 | 2:45:49 | Portal | |
| 2. | Cave Johnson's Multiverse of Madness! - Mapperdays #01 | 2:34:48 | Portal | |
| 3. | Rat in a Cage! - Mapperdays #02 | 2:19:50 | Portal |