Top 100 Portal Videos With The Longest Duration by MagicManMoTop 100 » 200 » 300 » 400 » 500Video TitleDurationCategoryGame1.Let's Play ~ Portal (4) ~ Companion Cube22:08Let's PlayPortal 2.Let's Play ~ Portal (3) ~ The Hallway of DEATH20:43Portal 3.Let's Play ~ Portal (1) ~ Welcome to Aperture Science20:18Let's PlayPortal 4.A Portal Into Prehistory ~ Phineas Saw Game (2) ~ Let's Play11:27Let's PlayPortal Top 100 » 200 » 300 » 400 » 500