PORTAL | Full Gameplay Walkthrough | No Commentary
THE CAKE IS A LIE | Portal - Part 1
Portal Teaser Trailer
I Finally Played Portal
50 Things You Probably Didn't Know About Portal
Portal - Full Walkthrough
Every Softlock in Portal
Portal | Cracks in the System
Is Portal 1 or Portal 2 better?
Portal might be better than Half-Life...
Can You 100% Portal And Get a Refund?
How Portal Outsmarted Everyone
Portal Retrospective
Portal - 'Still Alive'
chat told me im too stupid to play portal…
Who Is Chell? - Analysing Portal's Protagonist
First Time Playing PORTAL Broke My Brain
Oh, This is Why People Like Portal
How Speedrunners Beat Portal Without the Portal Gun
Portal 1 & 2 - ALL BOSSES
