Best Compression Methods for 'Specific' Games. Q&A

[KaktoR]

Sid Meier's Civilization VI
AUGUST 2023 UPDATE

 14:01:31 - Selected ARC/DS method for Data1a-01.bin was: xtool:c256mb:mbk2:df20p
 14:01:31 - Selected ARC/DS method for Data1b-01.bin was: xtool:dd3+lolz:d64:mtt1:mt10:fba4096:mc2
 14:01:31 - Selected ARC/SPLIT method for Data1c-01.bin was: xtool:dd3+lolz:d64:mtt1:mt10:fba4096:mc2/$deflatepack=xtool:c128mb:mpreflate:mpng:d1+xtool:dd3+lolz:d64:mtt1:mt10:fba4096:mc2/$oggrepack=oggre
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 15:42:58 - Overall input size: 25.96 GB
 15:42:58 - Overall output size: 8.69 GB (Ratio 33.49%)
 15:42:58 - Overall conversion time: 01:41:25

Data1a = *.bk2
Data1b = *.blp
Data1c = rest of the files

PS: I used wemtool by Masquerade for the wem's