my machine couldn't recognize the game files with the original name they were packaged ,file such as "blatile" written on my end "bltזile" instead.
Yeah, that's a common problem with archives, and I've made an article about this:
https://itch.io/blog/746942/unpacking-archives-with-files-that-have-japanese-nam...
TLDR: you need the right "codepage" to unpack files with such symbols correctly. I assume the creator of this game is in some scandinavian country, but from which exactly?