People Are Opening Portals And Things Get Scary

So GLaD I Finally Played This! · 1st time PORTAL (Full Game)

I gave my friend a VR Portal Gun. (he loves portal)

★New!!★ Portal: ALIVE & KICKING - Full Walkthrough [Portal Remastered]

Over 3 Hours of Portal Lore

The Portal 2 Beta Leak Is Really Cool

New VS Old GLaDOS Fight - Comparison | Portal: Alive and Kicking

Portal but I softlock myself on every chamber

[SFM] Portal's humor

The Darker SECRET Experiments of Aperture | Test Shaft 09 | FULL Portal Lore

Portal 2: Project 2009 | Full Playthrough

Portal: Alive and Kicking - Full Playthrough

Is It Possible To Beat Portal With NO Portals?

I Fully Completed EVERY Half-Life + Portal Game...

I Finally Played Portal

Can I 100% Portal 2 and Get a Refund?

The Combined Timeline | COMPLETE Half-Life & Portal Story & Lore

Why do portals create pocket dimension when you put a small portal into a bigger portal?

All GLaDOS Versions (UPDATED) - Portal

The ROBTOP LEVELS but the PORTALS are RANDOM

What if Chell Talked? - The Complete Saga | Portal & Portal 2 (Parody)

The Robot That Lied About Cake | GLaDOS | Full Portal Lore

Portal 1 But It’s PURE BRAINROT

Why Valve’s Portal Movie Needs Kane Parsons

HOW to Make a Portal to NETHER, HEAVEN and END in Craftsman: Building Craft

Portal 1 Is A Horror Game.