PORTAL | Full Gameplay Walkthrough | No Commentary
Portal Teaser Trailer
The Forgotten Easter Eggs of Portal
Portal Alone Mod (WIP!)
50 Things You Probably Didn't Know About Portal
Portal - GLaDOs Boss fight + Credits song
Portal - Ending HD
Is Portal 1 or Portal 2 better?
Portal 1 (Story Condensed)
How Portal Outsmarted Everyone
I Finally Played Portal
Can You 100% Portal And Get a Refund?
Oh, This is Why People Like Portal
THE CAKE IS A LIE | Portal - Part 1
Portal might be better than Half-Life...
Every Softlock in Portal
Portal Retrospective
Portal 1 Is A Horror Game.
Portal - Full Walkthrough
Portal | Cracks in the System
