Top 100 Portal Videos With The Longest Duration by Mr250zxdzeroTop 100 » 200 » 300 » 400 » 500Video TitleDurationCategoryGame1.Let's Play Adrift {Visual Novel} Ep.4 Rogue AI33:14Portal 2.Let's Play Adrift {Visual Novel} Ep.1 ECU Is Good ECU32:15Portal 3.Let's Play Portal Ep.2 That's Not Cake30:21Portal 4.Let's Play Portal Ep.3 Pushy Pistons30:14Portal 5.Let's Play Portal Ep.1 Glitchy Portals29:15Let's PlayPortal 6.Let's Play Adrift {Visual Novel} Ep.2 Decisions, Decisions25:56Let's PlayPortal Top 100 » 200 » 300 » 400 » 500