Top 100 Portal Videos With The Longest Duration by CulveyhouseTop 100 » 200 » 300 » 400 » 500Video TitleDurationCategoryGame1.Portal with RTX Remix Launch Party! | First Classic Game with RTX Remix! | RTX 30902:01:32Portal 2.Let's Play Matter (Indie Puzzle Game) :: Touch My Trampoline18:53Let's PlayPortal 3.Results of the Portal Game Giveaway! And the Winner Is.....3:58Portal Top 100 » 200 » 300 » 400 » 500