Top 100 Portal Videos With The Longest Duration by That One R.O.B.
| Video Title | Duration | Category | Game | |
|---|---|---|---|---|
| 1. | Portal: Lets finish this. | 1:31:33 | Portal | |
| 2. | Portal: Lets actually finish this. | 1:11:40 | Portal | |
| 3. | Portal: The start of something new. | 1:09:01 | Portal |