Top 100 Portal 2 Videos With The Longest Duration by Encrypted Duck
| Video Title | Duration | Category | Game | |
|---|---|---|---|---|
| 1. | Portal Stories: Mel - Full Game (No Commentary) | 3:57:25 | Portal 2 | |
| 2. | Portal 2 - Full Game (No Commentary) | 3:17:34 | Let's Play | Portal 2 |
| 3. | Portal 2 - Full Co-Op Story (No Commentary) | 2:44:59 | Let's Play | Portal 2 |
| 4. | Portal Reloaded - Full Game (No Commentary) | 2:44:13 | Portal 2 | |
| 5. | Portal - Full Game (No Commentary) | 1:07:33 | Portal 2 | |
| 6. | Portal 2 Co-op Peer Review - Full Expansion (No Commentary) | 52:59 | Review | Portal 2 |