First time I see such a simple but attractive puzzle. I had to try to reproduce it using my Codorex tool, it's semi-functional needs a few more iterations:
https://codorex.com/shared/zIe6BrLCVfaPt1DuWm1DeyoMIIeTPyed
Congrats on the traction!
Codorex (https://codorex.com) - Kids describe games in plain English, AI generates playable HTML5/Canvas code in seconds.
Built it for my 10yo. Solo dev, .NET + Claude Haiku. Free to try, no signup.