Top 100 Portal Videos With The Longest Duration by K12machinima
| Video Title | Duration | Category | Game | |
|---|---|---|---|---|
| 1. | Let's Play Portal with Seth: Ep. 2: Test Me, Daddy! | 18:06 | Let's Play | Portal |
| 2. | Let's Play Portal with Seth: Ep. 3: The Naughty Bits (Finale) | 17:15 | Let's Play | Portal |
| 3. | Let's Play Portal with Seth: Ep. 1: Blue and Orange | 14:02 | Let's Play | Portal |