A calm, free Sudoku game with three shared daily puzzles, fresh practice boards and hints that explain the next logical step. Choose easy, medium or hard, use pencil notes and undo, and unlock color themes as you solve. No account, ads or purchases. Progress is saved in your browser; the daily set changes at midnight UTC.
Fill each row, column and 3×3 box with 1–9 exactly once. Tap a cell and a number, or use 1–9 and arrow keys on a keyboard. N toggles notes, Backspace erases, and Ctrl/Cmd+Z undoes. Hint offers a nudge, reasoning, then an optional placement. Choose Daily puzzle or Free play.
Nineleaf Sudoku was submitted to SlowDen by Good Game Daily. SlowDen did not make this game - it is published here from the developer's own submission, added on 2026-11-11. It runs in the browser with no download, no install and no sign-up.