35:42

So, The Portal 2 Co-op Campaign is Great

36:34

I Learned How the Events of Portal All Began

8:53

I Made Portal 3 Because Valve Wouldn't

19:05

How Are the Portal and Half-life Games Connected?

20:18

The Simplest World That Can Farm Every Item

52:02

Ok, I Get the Love for Undertale Now

1:42:01

MyHouse.WAD - Inside Doom's Most Terrifying Mod

13:46

Building a Better Animatronic Wheatley from Portal 2