Top 100 Portal Videos With The Longest Duration by Afraid MonstersTop 100 » 200 » 300 » 400 » 500Video TitleDurationCategoryGame1.Portal Developer Commentary 2022 Upload - Starring Ellen Mclain57:52Portal 2.Portal - Episode 2 (Commentary) | Afraid Monsters16:27Portal 3.Let's play Portal! Ep 1 (Commentary) | Birthday Special | Afraid Monsters11:48Portal 4.GLaDOS References The Combine/Xen/Resonance Cascade1:35Portal Top 100 » 200 » 300 » 400 » 500