Game crashed after the first puzzle, might be a Unity/browser issue. Game would really benefit from a tutorial.
Also, I find it very hard to believe that you didn't use AI to write this game description...
So, I just tried to see if I could reproduce the error, and this time there was no popup in between levels, I just moved onto the next level anytime I completed a set of goals, until I had something like 900+ moves available and the game froze, though I'm not sure why. I'll try to record my screen the next time I try.
I'm on Firefox on my Android phone.
Thank you so much for the detailed feedback.
Based on the screenshot and your description, it looks like it could be a memory error happening behind the scenes.
If you happen to catch it on camera next time, having a video would be absolutely top! Also, do you happen to remember which specific level you were on when the game froze?
Thanks again for your help in tracking this down!