Sudoku

Sudoku is a "logic-based number placement puzzle" game. The object of the game is to fill a 9x9 grid with digits so that each column, row, and 3×3 sub-grid contains all of the digits from 1 to 9. How to play: - Start by selecting a puzzle - There are four difficulty levels - There are 125 puzzles per difficulty level - Select an empty cell on the game grid - Tap the digits below the grid - they'll appear in the selected cell - Repeat to fill in all empty cells - Guess the correct digits and you win!