This looks great!

Bullet hell games are normally not my thing

It turns out genre doesn’t have to do with one’s preferences as much as the distribution of execution/planning/adaptation challenges:

https://youtube.com/watch?v=NgHvdCcmQ4o

Fun fact: there’s a group that shares this goal but was actually capable of doing it: https://www.scratch.mit.edu/

(TL;DR you can just let people explore coding in a simple language/engine and that’s enough of a stepping stone)