Top 100 Portal 2 Videos With The Longest Duration by Asgarcade
| Video Title | Duration | Category | Game | |
|---|---|---|---|---|
| 1. | Trust Issues | Portal 2 Co-Op Part 2 | 2:08:38 | Portal 2 | |
| 2. | Saving Science is Serious Stuff | Portal 2 Co Op Part 4 [FINALE] | 2:06:12 | Portal 2 | |
| 3. | Portal 2 Part 1 [VOD] | New Friends, and Old | 2:05:40 | Portal 2 | |
| 4. | Portal 2 Part 4 | Prometheus Emerges | 1:58:12 | Portal 2 | |
| 5. | Portal 2 Part 3 | "The Answer is Beneath Us" | 1:57:32 | Portal 2 | |
| 6. | Portal 2 Part 2 | Back Into Hell | 1:44:54 | Portal 2 | |
| 7. | Lots of Death | Portal 2 Co-Op Part 3 | 1:17:52 | Portal 2 | |
| 8. | Wonderplays Shows How to Science Good | Portal 2 Co-Op Part 1 | 1:13:01 | Portal 2 | |
| 9. | Portal 2 Part 5 | [FINALE] | 1:01:26 | Portal 2 |