Top 100 Portal Videos With The Longest Duration by CephasRed VS.
| Video Title | Duration | Category | Game | |
|---|---|---|---|---|
| 1. | DIZZYING LOOP-DE-LOOPS! | Portal (Part 2) | 21:57 | Portal | |
| 2. | TRUTH FROM FICTION | Portal (Part 5) | 20:00 | Portal | |
| 3. | CAKE AROUND THE CORNER! | Portal (Part 4) | 17:17 | Portal | |
| 4. | CUBE OF HAPPINESS | Portal (Part 3) | 16:14 | Portal |