Top 100 Portal Videos With The Longest Duration by StephenCacilhasTop 100 » 200 » 300 » 400 » 500Video TitleDurationCategoryGame1.Portal 1 Playthrough (4): Victory Candescence14:37Let's PlayPortal 2.Portal 1 Playthrough (5): Escape14:28Let's PlayPortal 3.Portal 1 Playthrough (1): Relaxation Chamber14:17Let's PlayPortal 4.Portal 1 Playthrough (2): Dual Portal Device12:55Let's PlayPortal 5.Portal 1 Playthrough (8): Final Battle + Ending + Song10:14Let's PlayPortal 6.Portal 1 Playthrough (7): GLaDOS Battle Quotes10:03Let's PlayPortal 7.Portal 1 Playthrough (3): Android Hell - Companion Cube9:42Let's PlayPortal 8.Portal 1 Playthrough (6): Final Defences6:49Let's PlayPortal Top 100 » 200 » 300 » 400 » 500