Top 100 Portal Videos With The Longest Duration by CDT
| Video Title | Duration | Category | Game | |
|---|---|---|---|---|
| 1. | Portal, I don't even know what I'm doing anymore | 54:22 | Portal | |
| 2. | Portal | 47:21 | Portal | |
| 3. | restarting portal because why not | 40:13 | Portal | |
| 4. | Portal is returning | 37:57 | Portal | |
| 5. | restarting portal because why not | 24:12 | Portal | |
| 6. | Portal, I don't even know what I'm doing anymore | 0:20 | Portal |