Top 100 Portal 2 Videos With The Longest Duration by WehSingTop 100 » 200 » 300 » 400 » 500Video TitleDurationCategoryGame1.SingSing & Gorgc Portal 2 CO-OP Part 2 (Sunday Game #3)55:33Portal 2 2.SingSing & Gorgc Portal 2 CO-OP Part 3 (Sunday Game #3)53:32Portal 2 3.SingSing & Gorgc Portal 2 CO-OP Part 4 (Sunday Game #3)50:02Portal 2 4.SingSing & Gorgc Portal 2 CO-OP Part 5 (Sunday Game #3)47:43Portal 2 5.SingSing & Gorgc Portal 2 CO-OP Part 1 (Sunday Game #3)40:39Portal 2 Top 100 » 200 » 300 » 400 » 500