Here's my solution (database and decoding)
works with the mausschieber's setup (already included in this pack)
23:08:57 - You have chosen the unlimited type for the output size.
23:08:57 - ISO images will not be created when conversion is complete.
23:08:57 - The computer will remain on when the conversion is complete.
23:08:57 - Selected ARC/DS method for Data1.bin was: xtool:msonicu+xtool:mzlib:mreflate:dd3+lolz:d68:mt t1:mt16:mc1023
23:08:57 - Selected ARC/DS method for Data2.bin was: xtool:msonicu+xtool:mzlib:mreflate:dd3+bcm
23:08:57 - Selected ARC/DS method for Data3.bin was: xtool:msonicu+xtool:mzlib:mreflate:dd3+razor_mtx
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23:08:58 - Compression initialized in 30/03/2025 at 23:08:58.
23:08:58 - Starting Data1.bin archive creation.
00:06:43 - Moving Data1.bin file to media folder.
00:06:43 - Starting Data2.bin archive creation.
00:09:17 - Moving Data2.bin file to media folder.
00:09:18 - Starting Data3.bin archive creation.
00:10:41 - Moving Data3.bin file to media folder.
00:10:41 - Compression finished in 31/03/2025 at 00:10:41.
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00:10:41 - Getting size of the game: Sonic Unleashed
00:10:41 - » Installation folder size: 9,35 GB
00:10:41 - » Data1.bin file size: 3,09 GB
00:10:41 - » Data2.bin file size: 2,45 GB
00:10:41 - » Data3.bin file size: 116,32 MB
00:10:41 - » Compressed game size: 5,65 GB (Ratio 60.48%)
Sonic_Unleashed.7z