Top 100 Portal Videos With The Longest Duration by Gitbag the Great
| Video Title | Duration | Category | Game | |
|---|---|---|---|---|
| 1. | Portal 1 episode 4 playthrough FINALE | 39:58 | Show | Portal |
| 2. | Portal 1 playthrough episode 3 | 27:46 | Let's Play | Portal |
| 3. | Portal 1 playthrough episode 2 | 26:34 | Let's Play | Portal |
| 4. | Portal 1 bonus maps part 2/2 | 25:43 | Portal | |
| 5. | Portal 1 bonus maps part 1/2 | 14:43 | Portal | |
| 6. | Portal singleplayer episode 1: A taste of black comedy | 13:47 | Show | Portal |