Check for streams in game files (use GFS/ooscan ->
https://fileforums.com/showthread.php?t=96782)
Use xtool/ztool with fitting codec
Example:
zlib => xtool:zlib (xZLib)
lz4 => xtool:lz4 (xLZ4)
and so on
Not all games have streams (or they are crypted), then use just srep+lzma(2)