Versatile Sudoku vs Nine Stones

The purpose of Sudoku is to place number (digits) so that each digit appear exactly once in each row, column or tile. Typically a 9×9 board is used with tile size 3×3 and and digits 1 to 9 to fill the board with. This applications also supports a simpler puzzle with board size 6×6, tile size 3×2 and digits 1 to 6. Some fields are preset and cannot be modified. A puzzle is guaranteed to have a single solution. The application allows 5 levels go difficulty. It offers convenient features helping to solve a puzzle.  The application also allows to enter your own puzzle and watch how the computer solves it.

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.