Top 100 Observation Videos With The Longest Duration by Intro Arcade
| Video Title | Duration | Category | Game | |
|---|---|---|---|---|
| 1. | Observation Introduction: Part 3 (No commentary) | 1:04:33 | Observation | |
| 2. | Observation Introduction: Part 4 | 52:51 | Observation | |
| 3. | Observation Introduction: Part 1 (No commentary) | 26:06 | Observation |