I did a ton of research and came up with some fun trivia questions about Mario and the greater Mario-verse. If you'd like to check your knowledge, come check it out!
https://www.youtube.com/watch?v=o0Jn7J-19DA
I noticed a few of the pages for Mario Kart tracks have points in their trivia section that talk about how said track are the only one in their cup to not become a retro course yet. Figure-8 Circuit is one example:
So I thought I'd contribute by adding that to other pages that lack that...