Top 100 Portal Videos With The Most Comments by Mr250zxdzeroTop 100 » 200 » 300 » 400 » 500Video TitleCommentsCategoryGame1.Let's Play Adrift {Visual Novel} Ep.1 ECU Is Good ECU7Portal 2.Let's Play Portal Ep.3 Pushy Pistons3Portal 3.Let's Play Adrift {Visual Novel} Ep.2 Decisions, Decisions3Let's PlayPortal 4.Let's Play Portal Ep.1 Glitchy Portals3Let's PlayPortal 5.Let's Play Portal Ep.2 That's Not Cake1Portal 6.Let's Play Adrift {Visual Novel} Ep.4 Rogue AI1Portal Top 100 » 200 » 300 » 400 » 500