Top 100 Portal Videos With The Longest Duration by Big_Adam_2050Top 100 » 200 » 300 » 400 » 500Video TitleDurationCategoryGame1.[Q.U.B.E.] - Big_Adam Plays - Chamber 6c24:01Let's PlayPortal 2.[Vicinity] - Big_Adam Plays20:37Let's PlayPortal 3.[Q.U.B.E.] - Big_Adam Plays - Chamber 6a18:04Let's PlayPortal 4.[Q.U.B.E.] - Big_Adam Plays - Chamber 7a17:53Let's PlayPortal 5.[Q.U.B.E.] - Big_Adam Plays - Chamber 6b13:16Let's PlayPortal 6.[Q.U.B.E.] - Big_Adam Plays - ENDING + CREDITS7:28Let's PlayPortal 7.[Q.U.B.E.] - Big_Adam Plays - Chamber 17:01Let's PlayPortal 8.[Qunatum Conundrum] - Big_Adam Reviews.2:51ReviewPortal Top 100 » 200 » 300 » 400 » 500