Portal: A History of Aperture (Timeline and Lore)

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

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

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

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

Cicada 3301: An Internet Mystery

Bringing GLaDOS to life with Robotics and AI

Portal 2 - Going Home

The Complete Doom Slayer Timeline (Doom) | The Leaderboard

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

Game Theory: Portal 2, Does Chell DIE?

Portal 2 Wheatley's Betrayal 4K

Over 3 Hours of Portal Lore

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

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

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

The Man That Hated Lemons | Cave Johnson | Full Portal Lore

Portal 2: Welcome to Aperture Labs

MIDWAY pertempuran AMERIKA VS JEPANG sub indo (perang dunia II) #film #pearlharbour

The Robot That Refused To Be A Moron | Wheatley | FULL Portal Lore

Exploring Portal's Protagonist | Chell | FULL Portal Lore