Top 100 Portal 2 Videos With The Longest Duration by Paisano GamersTop 100 » 200 » 300 » 400 » 500Video TitleDurationCategoryGame1.Portal 2 || 100% Walkthrough || Episode 6 || Wheatley's Betrayal || GlaDOS is a Potato (literally)23:20WalkthroughPortal 2 2.Portal 2 100% Walkthrough || Episode 8 || Cave Johnson and his Gel || Game Train19:44WalkthroughPortal 2 3.Portal 2 || 100% Walkthrough || Episode 5 || The Escape Plan || No Cake and No Parents18:22WalkthroughPortal 2 4.Portal 2 100% Walkthrough || Episode 9 || GlaDOS & Our Potato Gun || The Reunion18:17WalkthroughPortal 2 5.Portal 2 || 100% Walkthrough || Episode 4 || Chapter 4: The Return || Classic GlaDOS18:12WalkthroughPortal 2 6.Portal 2 || 100% Walkthrough || Episode 7 || The Fall || Cave Johnson & Old School Aperture17:55WalkthroughPortal 2 7.Portal 2 Walkthrough || Episode 10 || Thinking With Gels || GlaDOS has a Game Theory17:47WalkthroughPortal 2 8.Portal 2 Walkthrough || Episode 11 || The Paradox || Thinking With Stupidity17:43WalkthroughPortal 2 9.Portal 2 || 100% Walkthrough || Episode 12 || The Itch || Wheatly's Fetish16:27WalkthroughPortal 2 10.Portal 2 Co-Op || PART 13 || I Can See Everything || Steam Time14:33Portal 2 11.Half Life 2 || PART 2 || 100% Walkthrough || The Teleportation Device || No Commentary - Steam Time8:35WalkthroughPortal 2 Top 100 » 200 » 300 » 400 » 500