Quote:
Originally Posted by FitGirl
LZ4 has been released only in 2011, it could not exist in Demon's Souls. If any LZ algo is used in there - it's something custom, like LZSS, Japanese devs love it.
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Rats! I hadn't considered that, that begs the question how ztool was used in the repacks I mentioned to be able to pack these streams. It'll definitely be interesting to see if anyones able to figure this one out, but given how niche this hobby is, and more niche still with console game-data compression, I think this might just remain a mystery for a while longer!