Top 100 Portal Videos With The Longest Duration by Game Return
| Video Title | Duration | Category | Game | |
|---|---|---|---|---|
| 1. | Portal sub 1 hour attempt | 1:06:48 | Portal | |
| 2. | sub 1 hour attempt Portal | 57:11 | Portal | |
| 3. | sub 40 min attempt Portal | 43:29 | Portal | |
| 4. | sub 30 min attempt Portal | 28:51 | Portal |