Wow! Good job! I am glad that Polish players will receive such a gift from you.
Of course, I will wait until you make the final version of the translation.
By the way, on Polish Windows there is no problem saving the game keyboard and mouse settings for NOLF? On Russian Windows, the code page [1251], there is such a problem.
This problem is solved by adding the dinput.dll file (English version) from the old directX7 package to the NOLF game folder.
http://www.mediafire.com/file/xp06w015ke37rm3/NOLF_FixInput_v3.zip/file
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P.S.
I see that in the Polish version of the game "Contract J.A.C.K." (as well as in the German version) milk instead of blood flows from frags .. funny ... I fixed it. Now the Polish version is similar to the English one. :)