Top 100 Portal Videos With The Longest Duration by Mysterious Shrimp
| Video Title | Duration | Category | Game | |
|---|---|---|---|---|
| 1. | (Part 3) Portal - Who Would Have Thought Challenge Maps Were Challenging? | 1:03:42 | Portal | |
| 2. | (Part 2, Final) Portal - 2 Fast 4 GLaDOS | 59:33 | Portal | |
| 3. | (Part 4) Portal - Puzzle? More like Impossible | 19:52 | Portal | |
| 4. | comedydude1 - Best of 2021 | 9:01 | Portal | |
| 5. | comedydude1 - Best of Portal | 8:24 | Portal | |
| 6. | How Portal Actually Ended | 3:27 | Portal |