The Darker Side of Aperture | Personality Cores | FULL Portal Lore

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

Game Theory: Can You Solve Portal's IMPOSSIBLE Puzzle? (Portal)

The Ruthless Killing Machines of Aperture | Sentry Turrets | FULL Portal Lore

Life's Biggest Paradoxes

Portal 2 Hammer | How to make a Core

The Complete Story of Destiny! From origins to Shadowkeep [Timeline and Lore explained]

Aperture's Unseen Hero | Doug Rattmann | Full Portal Lore

Portal - Meet The Cores 1

The Tale of Aperture's Iconic Robotic Duo | ATLAS & P-Body | FULL Portal Lore

𝗔𝗣𝗘𝗥𝗧𝗨𝗥𝗘 𝗗𝗘𝗦𝗞 𝗝𝗢𝗕 - Full Game

Half-Life’s Biggest Mystery | The G-Man | FULL Half-Life Lore

Over 3 Hours of Portal Lore

Oh, This is Why People Like Portal 2

Anomalies in the Universe. Immersion in Deep Space

The “Impossible” Design of Wheatley from Portal 2 | Mk III Animatronic

Superliminal speedruns might break your mind

Half-Life & Portal - The Complete Story (What You Need to Know!)

I Made Portal 3 Because Valve Wouldn't

I Survived 1000 Days in Minecraft Hardcore [FULL MOVIE]

Rowing Home 2 | Animating Your Comments [#2]