The Removed & Lost Easter Eggs of Portal 2

Hey everyone, Ossy Flawol here, and I'm back! That's right, never left. See my previous explanation video as to where I've been these past 7 months. Anyways - I wanted to delve into a fun topic to commemorate my return, being the Easter Eggs in Portal 2 that Valve ended up cutting from the final game! That's right, BETA Easter Eggs, and to seal the deal, I've got a lot of stuff you likely have never heard of. :)
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CHAPTERS

0:00 - Intro
1:42 - Aquarium Core's Lost Cameo
7:36 - The Other Corrupted Cores
11:56 - The Alternate Endings
17:24 - The Rattman Discs
25:40 - Outro

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VIDEO CREDITS
These are being used for their documentative nature, if the uploaders of these videos have a problem with them, please contact me!

GDC - Portal 2 Post Mortem Talk -    • Portal 2 - GDC Post Mortem: Creating ...  
DidYouKnowGaming - Portal 2's Cut Content [EXCLUSIVE] -    • Portal 2's Cut Content (Exclusive)  
John Patrick Lowrie - GLaDOS’s Song -    • GLaDOS' Song  

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Hey everyone, the name's Ossy Flawol!