Typical slasher movie, just done in Polish. Well done. Would recommend the sequel as well. Don't listen to the 1 star reviews, avg 3.5 - 4 stars.
It's nice to see a different perspective of how other countries handle the slasher genre, on there own "lore" and quirks that come with it. I have always loved horror/slasher/thriller movies and it's always nice to see a change from the typical American stories. Once again, respect to the producers and actors for a well made slasher.