Top 100 Portal Videos With The Most Comments by StepsBasicTop 100 » 200 » 300 » 400 » 500Video TitleCommentsCategoryGame1.Behind the scenes // Portal #50Portal 2.REACHING NEW HEIGHTS // Portal #40Portal 3.I FINALLY GET TO RECORD THIS GAME! // Portal #10Portal 4.THE MASTERMIND! // Portal #60Portal 5.DANGER AROUND THE CORNER // Portal #30Portal Top 100 » 200 » 300 » 400 » 500