SUDOKU

You can download the Sudoku app for your Android phone and tablet. You get many challenging Sudoku puzzles everyday to train your brain. Brain Sudoku for beginners and advanced players! Each Sudoku has only one true solution. Classic Sudoku the puzzle game for your brain, logical thinking, memory, and A GOOD TIME KILLER!
In its simplest and most common configuration, sudoku consists of a 9 × 9 grid with numbers appearing in some of the squares. The object of the puzzle is to fill the remaining squares, using all the numbers 1–9 exactly once in each row, column, and the nine 3 × 3 subgrids.