The Removed & Lost Easter Eggs of Portal 2
21:26
Who Is Chell? - Analysing Portal's Protagonist
23:48
An Endless Labyrinth: How BIG is Aperture Science?
1:00:31
How A Flash Game Changed Portal History
13:04
Bringing GLaDOS to life with Robotics and AI
32:33
Finding A Player Who Doesn't Exist
42:13
This entire game is a massive spoiler
14:02
The “Impossible” Design of Wheatley from Portal 2 | Mk III Animatronic
47:10