23:36

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

13:04

Bringing GLaDOS to life with Robotics and AI

10:52

Portal M4R10 - Sí mario estuviese en Portal

6:06

All GLaDOS Versions - Portal

30:45

Portal - Meet The Cores 3

11:00

Rowing Home 2 | Animating Your Comments [#2]

8:53

I Made Portal 3 Because Valve Wouldn't

5:43

[scrapped] wrong floor,assembly cut, abandoned