Over 3 hours of Portal lore!
This is a compilation of previously uploaded videos into one video.

Timestamps
00:00 Introduction
00:12 Wheatley
21:57 Personality Cores
45:54 Doug Rattmann
01:07:18 GLaDOS
01:35:52 Cave Johnson
01:58:18 ATLAS & P-Body
02:15:08 Turrets
02:35:27 Chell
03:03:12 Multiverse
03:27:29 Mel

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Fable Lore Playlist:    • What Became of Albion's Lost Children...  
Half-Life Lore Playlist:    • The Borealis | Half-Life Lore (Older ...  
Fable 4 Updates:    • Fable IV: Thoughts and Predictions  

Standard Sources
Game Manuals
Half-Life Series Playthrough Research
Portal Series Playthrough Research
Half-Life 2: Raising the Bar
Half-Life: Alyx Playthrough
Portal/ Half-Life Fandom
Old Valve Forums
Marc Laidlaw's Twitter
Breengrub Twitter
Reddit AMA (w/ HL: Alyx Developers)
Portal Stories: Mel

#Portal #Lore #Marathon