Top 100 Portal Videos With The Longest Duration by mariokirby1703
| Video Title | Duration | Category | Game | |
|---|---|---|---|---|
| 1. | Kampf gegen GLaDOS + Credits / Portal #5 [Ende] | 23:24 | Portal | |
| 2. | Begleiterkubus! / Portal #3 | 17:10 | Portal | |
| 3. | Der "letzte" Test und die verrosteten Kammern von Aperture Science / Portal #4 | 16:39 | Portal | |
| 4. | Freund zu Besuch / Portal #2 | 15:33 | Portal |