Top 100 Portal 2 Videos With The Longest Duration by HellBound UptempoTop 100 » 200 » 300 » 400 » 500Video TitleDurationCategoryGame1.PORTAL 21:19:04Portal 2 2.PORTAL 248:00Portal 2 3.PORTAL 25:19Portal 2 Top 100 » 200 » 300 » 400 » 500