How to extract .NPK files?

[taki :::]

Let's say, the game: DRAMAtical Murder

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I tried this:

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but it did not work. I will add .npk file from the game. Thank You!

 

[scrumbles]

Maybe it doesn't work because they are NPK3 archives, a more recent version.
Did you try

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? You can build it from source or you can download the

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.

In an old discussion they say that the NPK3 key is embedded into an .exe, I guess you need it along with the .NPK files to decrypt them.

 

[taki :::]

Maybe it doesn't work because they are NPK3 archives, a more recent version.
Did you try

You must be registered to see the links

? You can build it from source or you can download the

You must be registered to see the links

.

In an old discussion they say that the NPK3 key is embedded into an .exe, I guess you need it along with the .NPK files to decrypt them.

NPK3 is not npk, but i tried it, i can not extract any files.
Also, i tried QuickBMS. I extracted all files, but I can not open them. Even GARbro can not do it..

The game has very interesting music / soundtrack. seems, it's not possible to extract .npk. well, I give up.