The Forgotten Easter Eggs of Portal
19:06
This Portal Map Tells a Disturbing Story...
26:10
The Removed & Lost Easter Eggs of Portal 2
19:07
The Science of the Portal Gun
25:07
Which is Safer? Black Mesa or Aperture Science?
12:43
The Forgotten Easter Eggs of Left 4 Dead 2
23:25
The Darker SECRET Experiments of Aperture | Test Shaft 09 | FULL Portal Lore
32:33
Finding A Player Who Doesn't Exist
30:23