Sudoku is played with 9×9 grid, divided into 3×3 subgrids called “regions”.
The object is to fill empty cells with numbers between 1 and 9, so that number should appear only once on each row, column and region.
Easy, Medium and Difficult games have a unique solution. Nightmare games have multiple solutions.
Many settings:
– for Tablets and Phones
– autosave
– statistics
– unlimited Undos
– mode Easy, Normal, Difficult, Nightmare