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PostPosted: Tue Jan 22, 2019 9:38 pm 

Joined: Fri Jun 15, 2018 9:18 pm
Posts: 7
The main part of the extracted pkg from Until Dawn contains .core and .corestreams files.
The size goes from 1kb to 380MB( core files) and from 104kb to 81MB ( corestream files)
Then you have also a movie folder with the cutscenes. There are saved as bk2 files. RAD Video tools can play this videos but often without audio. So also the intro scene, where normaly plays the song "O Death". But RAD Video tools says that he doesn't found any audio. So I guess the audio files are saved into the core or corestream files. Maybe this files are archive files, but I am not really sure. Where I am sure, that in this core(stream) files are also the 3d models with the textures included. I know that there is a script to unpack this files, but only the core files and not every file. Also I get everytime I unpacked one file, an error so I must close the cmd Window reopen the programm, and do it again for every single file. Too much work for over 1000 files. Also this script doesn't support the corestream files.
I would really appreciate if someone could help me, I also uploaded example files

https://drive.google.com/file/d/1umk9pn ... sp=sharing

https://drive.google.com/file/d/1a3M7Yy ... sp=sharing

PostPosted: Mon Feb 04, 2019 2:50 pm 
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Joined: Wed Jul 30, 2014 9:32 pm
Posts: 10553
Already exists a script for decompressing the .core files:

The decompressed file is an RTTIBin for which I guess you can find information on the Internet.

.corestream seems just an useless sequence of 64bit fields.

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