Top 100 Portal Videos With The Longest Duration by AellaTop 100 » 200 » 300 » 400 » 500Video TitleDurationCategoryGame1.Is This The End..... Or? | Test Chamber 19 | Portal | Part 635:42Portal 2.Wait, There's Guns?! Test Chambers 16 & 17 | Portal | Part 425:46Portal 3.I ESCAPED! | Portal | Part 7 (END)18:49Portal 4.Test Chamber 15 Had Me Scratching My Head! | Portal | Part 318:45Portal 5.I Got The Orange Portal! Test chambers 11 - 14 | Portal | Part 215:21Portal 6.I Have NEVER Played Portal Before! | Part 1 | Testchambers 1-1014:15Portal 7.Test Chamber 18 Made Me Feel Dumb | Portal | Part 514:01Portal Top 100 » 200 » 300 » 400 » 500