Top 100 Portal Videos With The Longest Duration by NotOnlyMagicMan
| Video Title | Duration | Category | Game | |
|---|---|---|---|---|
| 1. | The cake was a lie | Portal w/commentary part 2 | 34:06 | Portal | |
| 2. | GLaDOS | Portal w/commentary Finale | 24:03 | Portal | |
| 3. | Thinking with portals! | Portal w/commentary part 1 | 20:34 | Portal |