Not a lot of differences.
I will (and probably already did) upload the 1st beta soon
By the way sorry about the flashing. I may fix that if I find out how.
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https://www.youtube.com/watch?v=rjpBrWwUbDU
Listening to this music gives me a lot of nostalgia for The Binding of Isaac.
Odysee version without endslate or ads.
https://odysee.com/@LavaCanyonSketches/Gaster-Theory
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https://www.youtube.com/watch?v=BMCC_PnpZaE
TRUE Pacifist Run
https://www.youtube.com/watch?v=Saapa2z1orA
Workshop Download
http://steamcommunity.com/sharedfiles/filedetails/?id=866361359
Original Afterbirth Download (The one played in this video) https://moddingofisaac.com/mod/1015/the-binding-of-undertale
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https://www.youtube.com/watch?v=vBh-JvfzeBU