Finally got 16/16. Lots of trial and error. Had to test each one individually on separate runs.
Recent community posts
Took me a while to realize the basis for the patterns changes: blue and purple levels are simple visual patterns, the yellow levels are mathematical patterns. I felt clever once I realized that on the prime number pattern.
Fun and very intuitive. Played it twice and realized that the rules are revealed in the same order as their precedence (size>shade>shape). Also the sequence is never left to right, preventing me as a player from haphazardly solving it and moving on without having understood the rule.