13:46

Building a Better Animatronic Wheatley from Portal 2

8:53

I Made Portal 3 Because Valve Wouldn't

8:28

Dad Builds a Roller Coaster ROBOT!

27:54

GLaDOS: A Portal Fan Film

7:16

Building a Mini Vegas-Sphere

28:15

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

25:50

World's Most Advanced HUD | Real Life Power Armor (Part 3/6)

10:29

AI Learns to Play Tag (and breaks the game)