after playing for a little bit more
It is really really fun to play but i've got stuck at the second room with 4 doors where you get 3 keys. I went back and used the 3 keys in the first room with 4 doors to get fk brno. Than i used the key from fk brno room to open the room with kafka which sadly did not have any keys so i could not continue. But still overally it was a fun experience