Top 100 Portal Videos With The Longest Duration by DBBetter
| Video Title | Duration | Category | Game | |
|---|---|---|---|---|
| 1. | Portal One Endurance [LIVE] | 2:45:45 | Portal | |
| 2. | Portal 1 Speedrunning, 30 Subscriber Special! | 1:50:44 | Portal | |
| 3. | Portal Playthrough!! levels 15-19! | 52:22 | Portal | |
| 4. | Lets Play.. Portal! Walkthrough with commentary and Humor! | 37:20 | Walkthrough | Portal |
| 5. | Portal gaming Number 3: Levels 18-??? | 30:00 | Portal |