The Man That Hated Lemons | Cave Johnson | Full Portal Lore

24:44
Aperture's Unseen Hero | Doug Rattmann | Full Portal Lore

32:07
The Robot That Lied About Cake | GLaDOS | Full Portal Lore

2:51:23
The Combined Timeline | COMPLETE Half-Life & Portal Story & Lore

30:51
Exploring Portal's Protagonist | Chell | FULL Portal Lore

27:17
Half-Life Universe THEORY: G-Man NUDGED Aperture Science

24:49
The Robot That Refused To Be A Moron | Wheatley | FULL Portal Lore

26:17
Portal 2 DLC Cave Johnson

23:25