Sudoku by Polau

A minimal, Japanese-editorial-style Sudoku with four difficulty levels.

Every puzzle is procedurally generated — no two games are the same.

· Four difficulties: Easy, Medium, Hard, Extreme

· Score system based on time, errors and hints

· Personal records tracked per difficulty

· Notes mode for candidates

· Dark / light mode

· No ads, no tracking, no accounts needed

Built as a single HTML file.