Nine Stones: Calm Sudoku

Nine Stones is Sudoku made calm. No ads, no tracking, no accounts. Just you, a pencil, and nine stones of numbers. Every puzzle you solve places a stone in your garden. Easy puzzles leave pebbles, hard ones leave boulders, and over time your garden grows into a record of every quiet moment you spent here. Four paths: Pebble, Stone, Boulder, Mountain Pencil marks, undo, and gentle hints Day and Moonlit themes Saves every move, so you can pick up right where you left off Your Garden: best times, streaks, and a stone for every solve Fully offline and private. Nothing leaves your phone.