Top 100 Portal 2 Videos With The Most Comments by TaizedTVTop 100 » 200 » 300 » 400 » 500Video TitleCommentsCategoryGame1.Severe Brain Damage (Portal 2)17Portal 2 2.Robot Lives Matter (Portal 2)4Portal 2 3.The Portal Effect (Portal 2)4Portal 2 4.Sp00ky Bridge Building (Portal 2)4Portal 2 5.Aperture Valentine (Portal 2)4Portal 2 6.I'm on top of a tree! (Portal 2)0Portal 2 Top 100 » 200 » 300 » 400 » 500