> I’d say increase the block size somewhat so that the maps aren’t so big and tighten up the controls
I've managed to create a more of "real maze" wall-generating algorithm, and combine it with increased block size and smaller map. As the map is smaller and walls are "smarter", you have less bombs at your disposal, and there are some other changes which I'm currently tweaking and fine-tuning to make it (more) interesting to play — so, it is not yet available online to play, but here's a sneak peek how the maze now looks: