Top 100 Portal Videos With The Longest Duration by Mark The Voracious
| Video Title | Duration | Category | Game | |
|---|---|---|---|---|
| 1. | GLaDOS - Portal (Gameplay - Part 4 Finale) | 0:00 | Portal | |
| 2. | Intro - Portal (Gameplay - Part 1) | 0:00 | Portal | |
| 3. | Part 2 - Portal (Gameplay - Part 2) | 0:00 | Portal | |
| 4. | Part 3 - Portal (Gameplay - Part 3) | 0:00 | Portal |