This is very solid. Spent longer staring at the shapes just now than I might be willing to admit, lol.
Although the error sounds for when you try something that doesn't work is somewhat harsh and jarring, compared to the rest of the audio. I also almost never felt compelled to use the reshuffle, because 10 seconds seems quite steep for something that might not help me much, based on how it goes. (And by the time I'm tempted to use it because I've run out of options, I probably have less than 20 seconds left anyways, so using it would probably just make me lose)