Top 100 Portal 2 Videos With The Most Comments by TTG GamingTop 100 » 200 » 300 » 400 » 500Video TitleCommentsCategoryGame1.Let's Play Portal 2 | Full-Game Longplay | Silent Playthrough (No Commentary)2Let's PlayPortal 2 2.GLaDOS, You Surprised Me | Portal 2 [Finale]2Portal 2 3.Doing Science Gets Complicated | Portal 2 [Ep. 3]0Portal 2 4.The Plan Backfired, Horribly | Portal 2 [Ep. 5]0Portal 2 5.Make A Break For It | Portal 2 [Ep. 4]0Portal 2 6.Robot Trust0Portal 2 7.The Mystery Of The Blue Jell-O | Portal 2 [Ep. 6]0Portal 2 8.Let's Do Some Science | Portal 2 [Ep. 1]0Portal 2 9.Let's Test . . . For Science, You Monster | Portal 2 [Ep. 2]0Portal 2 10.When Life Gives You Lemons . . . | Portal 2 [Ep. 8]0Portal 2 11.Turrets0Portal 2 12.Long Fall Boots0Portal 2 13.Reunited With PotatOS | Portal 2 [Ep. 7]0Portal 2 14.The Part Where He Kills Me | Portal 2 [Ep. 10]0Portal 2 15.Panels0Portal 2 16.This Statement Is False . . . Or Is It | Portal 2 [Ep. 9]0Portal 2 Top 100 » 200 » 300 » 400 » 500