Dixen already posted just the precompression proccess a few years ago, however I would like to share my own experience with this game!
Based on the latest GOG version.
.dll files:
.mp3 - Optional Soundtrack
Rest of the files:
This game uses
1.7.5 of lz4 uploaded on the attachment below, used the Unity Plugin!
Code:
Streams: 103482 / 103485
- lz4hc:l10 = 103482 (81.06%)
Patched: 0 (0.00 MB)
Size: 4.86 GB >> 13.5 GB
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unity_old+srep+lolz
Notes: You need to set -c2mb in xtool, otherwise it will throw general decompression error.
Don't use zlib,reflate alongside with the unity plugin otherwise the decompressed output will be just abt 9 gb.
Input:
5.44 GB /
6.01 GB
Output:
3.74 GB /
4.2 GB