Not to take away from the poster's work, but I believe this exists already (please correct me if I'm wrong): https://puzzlemadness.co.uk/minesweeper/hard https:

Not to take away from the poster's work, but I believe this exists already (please correct me if I'm wrong): https://puzzlemadness.co.uk/minesweeper/hard https://puzzlemadness.co.uk/minesweeper/hard I've been doing these for a long time, which is why this game seemed familiar to me.