Tried the game out, it was quite fun. Simple concept but a unique twist on the classic Tetris formula.
The only complaint would be maybe there are too many upgrades to choose from when you get through a level, sort of leaves me in decision fatigue.
But overall a fun game.
Also I see your use of AI, I don't agree with AI being used but I assume you're a beginner and you used it only when you're hitting a brick wall and not sure how to do certain things in coding. So I think it's fine, just don't make it into a habit.