About Sudoku
Sudoku is the classic number puzzle. Fill the 9×9 grid so that every row, every column and every 3×3 box contains the numbers 1 to 9 exactly once. Every puzzle is freshly generated and has exactly one solution, from gentle Easy grids that only need simple steps to tough Expert ones. Pencil in notes, undo moves, use a hint when you are stuck, and come back every day for the daily puzzle to build your streak. Your game is saved, so you can finish it later.
How to play
Tap a cell, then tap a number to fill it in. Turn on Notes to pencil in possible numbers. Three mistakes ends the puzzle. With the keyboard, move with the arrow keys, type 1 to 9, press Backspace to erase, N for notes, Z to undo and H for a hint.