Top 100 Most Liked Portal 2 Videos by QuacklyTop 100 » 200 » 300 » 400 » 500Video TitleRatingCategoryGame1.GA | Portal 2 #1 with Lupin20Portal 2 2.SMART? | Portal 2 #2 with Lupin19Portal 2 3.BIG BRAIN | Portal #215Portal 2 4.OVER 9000 IQ | Portal 2 with Badwolf #15Portal 2 5.ONLY SMART PEOPLE CAN WATCH THIS? | Portal 2 with Badwolf #25Portal 2 Top 100 » 200 » 300 » 400 » 500