FAU’s education system is quite strict and strongly focused on real understanding instead of rote learning.
If you only try to pass by memorizing, there is almost zero chance to succeed, because the exams are designed so you must cover and understand all topics in depth.
I like that there is a very wide range of courses and specializations, so you can find subjects in almost every field and design your own study path.
On the negative side, there is little flexibility or support if you fall behind; the pressure around exams is high and sometimes the organization and communication from the university could be better.
Overall, I would recommend FAU to students who are motivated to work hard and really learn their subject, but it might feel overwhelming if you expect an easier or more guided system.