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This tool obtain encrypted files into NPA of the Visual Novel Stein's;Gate translated by JUST USA. Enjoy

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Daviex/Steins-Gate-Archive-Decompiler

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Steins;Gate Archive Decompiler

SG Archives Decompiler
Made by Daviex
Original Tool Made by Nagato
Version 2.0
CodeName:
El Psy Congroo

This tool has been re-created from the original one made by Nagato to works with Just USA edition of the game.

This tool was made for the Italian Steins;Gate Project!

If you use it, just mention where you took it from!

How it works?

At start, I tried to found every information useful to decrypt those files.
No info very useful was found until I took over my hand projects made by Nagato.
There I found his "documentation" about how steinsgate.exe works out.
From that, I found out that it used the same decrypt key on JUST USA Edition.
To write this tool, I based the code of the one made by Nagato. It tooks
the NPA file, and by inverting every bit of the decrypt key, and decrypting
all bytes of the file by using Exclusive OR on every byte. After that,
I calculates Pointer and, by using a custom struct, I save all files.

How to make it works?

Move your NPA file over the executable, it will decompile inside the same folder the file.

Now also MPK formats!

Added the support for MPK, same as the NPA, just drag over and it will start the extraction.

Enjoy

Link to Project Forum

http://steinsgatevn.forumcommunity.net/

Copyright

Copyright (c) 2015 - 2021 Davide Iuffrida

License: Academic Free License ("AFL") v. 3.0

AFL License page: http://opensource.org/licenses/AFL-3.0

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This tool obtain encrypted files into NPA of the Visual Novel Stein's;Gate translated by JUST USA. Enjoy

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