Top 100 Most Viewed Portal Videos by TTG GamingTop 100 » 200 » 300 » 400 » 500Video TitleViewsCategoryGame1.Tyler The Gamer Is Returning To Aperture Science55Portal 2.Let's Play Portal | Full-Game Longplay | Silent Playthrough (No Commentary)52Let's PlayPortal 3.There Was No Escape Plan | Portal: Still Alive [Ep. 7]18Portal Top 100 » 200 » 300 » 400 » 500