Top 100 Portal Videos With The Longest Duration by Celestial Studios
| Video Title | Duration | Category | Game | |
|---|---|---|---|---|
| 1. | Portal | Part 2: No Commentary - The Cake is a Lie... | 40:18 | Let's Play | Portal |
| 2. | Portal - A True Companion... Cube?! | Part 1: No Commentary | 33:05 | Let's Play | Portal |