Top 100 Portal Videos With The Most Comments by 2ndkirbyeverTop 100 » 200 » 300 » 400 » 500Video TitleCommentsCategoryGame1.Portal - E02 "Turrets"2Portal 2.Portal - E04 "The Escape"1Portal 3.Portal - E08 "The Toughest Challenge"0Portal 4.Portal - E07 "Challenge Chambers!"0Portal 5.Portal - E06 "GLaDOS' Chamber"0Portal 6.Portal - E01 "Welcome to Aperture Laboratories"0Portal Top 100 » 200 » 300 » 400 » 500