The Robot That Lied About Cake | GLaDOS | Full Portal Lore
24:44
Aperture's Unseen Hero | Doug Rattmann | Full Portal Lore
24:49
The Robot That Refused To Be A Moron | Wheatley | FULL Portal Lore
13:04
Bringing GLaDOS to life with Robotics and AI
28:15
The Darker Side of Aperture | Personality Cores | FULL Portal Lore
5:11
Portal Quiz - (Mixed Difficulty)
28:14
The Most Hated Man on Earth | Dr. Wallace Breen | Full Half-Life Lore
57:49
Oh, This is Why People Like Portal 2
27:54