Видео ютуба по тегу Making Of Portal

How were the portals in Portal created? | Bitwise
How were the portals in Portal created? | Bitwise
Portal - Making Science
Portal - Making Science
I Made Portal 3 Because Valve Wouldn't
I Made Portal 3 Because Valve Wouldn't
The History of Portal
The History of Portal
What makes Portal The Best Series EVER!?
What makes Portal The Best Series EVER!?
The Process Of Making Portal 2's Levels
The Process Of Making Portal 2's Levels
Building a Better Animatronic Wheatley from Portal 2
Building a Better Animatronic Wheatley from Portal 2
How To Make Better Puzzles
How To Make Better Puzzles