Sudoku ...

Sudoku! brings a classic Sudoku experience to your browser as a Chrome extension. It’s suitable for beginners, pros, and everyone in between, with unlimited grids and a daily Challenge of the Day, making it feel fresh and endlessly replayable.

Choose from Easy, Medium, Hard, Very Hard, and Insane, and use helpful aids like hints, auto-check, and duplicate highlights. Track detailed progress with statistics and unlock new features as you improve and conquer more challenging grids.