This looks a lot like a ChatGPT created post. A lot of words, nothing really specific. May be you can elaborate.
I do not really the hybrid part of point 1. Player info into a player collection and game info in a game collection.
Could you provide examples of game-specific fields?
As for .3, how could we use MongoDB’s aggregation framework to retrieve relevant data across multiple collections?
By the way I flagged your other posts as spam and I started to follow you to catch your next attempt faster.