All Turret Versions - Portal
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 - If Mario was in...Portal
6:06
All GLaDOS Versions - Portal
30:45
Portal - Conheça os Núcleos 3
8:53
I Made Portal 3 Because Valve Wouldn't
5:32
Building an Animatronic Wheatley (Portal 2)
11:00