It's just me, or is there a problem with achievements? I am level 12, did a lot of the achievements, but i don't earn them.
The only one i got is get to level 5.

No achievements either.

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Edit:
After playing more, it seems normal. Achievements seem are accessible after reaching level 5. They are no early-easy achievements to get (excepted "silver tongue").

Yeah, there is still a problem with the game. I bought it at the winter sale and had a similar problem, luckily for me I detected it just as I got 6 level and since I make a lot of saves I could easily re-do it.
So how do you fix not getting achievements? You need to restart GOG launcher if it still won't work then re-log even.
Unfortunately, you won't get the achievements that you should get so if you can't go back then you have to start over again.