Sudoku

Sudoku Spark brings the world's favorite number puzzle to life in a clean, fast, beautifully designed app you can play anywhere — at home, on the train, or fully offline with no Wi-Fi. Whether you have never filled a grid before or you hunt down the toughest puzzles for fun, the perfect challenge is waiting for you. LEARN SUDOKU THE EASY WAY New to the game? Learn Sudoku step by step. A built-in tutorial and smart hints teach you how to play, explain every rule, and reveal the techniques that t...