Most names and references are not random; a lot of ‘hidden’ jokes and references. How far do you come with being a history and pop culture nerd?

Most names and references are not random; a lot of ‘hidden’ jokes and references. How far do you come with being a history and pop culture nerd?
Razcahl and his creators Dinie de Zeeuw and David den Ouden (me) wish you all a happy 2023!