How good are your sudoku skills? In Sudoku, a 9x9 grid is given with any amount of numbers already filled in. To solve the puzzle, fill in the empty square with any number from 1- 9. The puzzle is complete when each row, each column and each 3x3 square within the puzzle contains the numbers 1-9, with each number appearing only once. Features: Calm and peaceful theme 3 difficulty levels: Easy, Medium and Hard Unlimited puzzle generation, guaranteeing unlimited gameplay