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

[KaktoR]

Halo The Master Chief Collection
v1.3065.0.0 (7th December 2022), ripped multiplayer

 17:02:27 - Selected ARC/DS method for Data1a-01.bin was: bpk+xtool:db:-dedup=3
 17:02:27 - Selected ARC/DS method for Data1b-01.bin was: xtool:c128mb:mpreflate:db:-dedup=3+4x4:b64mb:lzma:ultra:64m:bt4:fb273:lc8:mc1000000
 17:02:27 - Selected ARC/DS method for Data1c-01.bin was: xtool:db:-dedup=3+4x4:b64mb:lzma:ultra:64m:bt4:fb273:lc8:mc1000000
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 19:06:36 - Overall input size: 103.82 GB
 19:06:36 - Overall output size: 64.34 GB (Ratio 61.97%)
 19:06:36 - Overall conversion time: 02:04:07

>> Unpacking finished successfully!

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Data1b:
halo1\prebuild\shaders_2_cache\prebuild\*.sdc
halo2\prebuild\shaders_2_cache\prebuild\*.sdc
halo2\preload\paks\*.pck
halo2\h2_maps_win64_dx11\*.map
halo2\h2_maps_win64_dx11\textures.dat
halo3\maps\*.map
halo3odst\maps\*.map
halo4\maps\*.map
haloreach\maps\*.map
mcc\Content\Paks\*.pak
data\ui\Screens\*.gfx

With reflate you will get a crc error on "MCC-WindowsNoEditor.pak" file. Seems there are lz4 streams too but couldn't process any of them properly (also look in "Data\ui\texturepacks" folder). With old xtool the output is same as reflate option (~1gb smaller) but I prefer speed

128mb chunk size is the sweet spot here. However you will get some additional mb on 256mb.

bpk output is 22.5 GB, with srep 21.5 GB (many video stream duplicates).