Join over 21,000,000 fans and download Sudoku, the best selling Sudoku game for iPhone! Developed by Red Key Software Corporation, Sudoku offers a fun and challenging experience with 1000 unique handcrafted puzzles.

Sudoku will keep you entertained for hours with its four different skill levels and the option to challenge a friend. The game also provides multiple color schemes to customize your playing experience.

With helpful features like "Show Incorrect" that highlights incorrect answers in red, "Smart Buttons" that disable number buttons when they are completed on the game board, and "Smart Notes" that remove numbers from notes in the box, column, and row that contain the cell with the correct answer, Sudoku ensures a smooth and enjoyable puzzle-solving process.

Additionally, Sudoku offers "All notes" feature that shows all possible answers for each square with just a tap, and "Hints" feature that reveals the answer for the selected square or a random square when one is not selected. You can also pause the game at any time and resume where you left off.

Track your progress with best times, progress statistics, and much more. Sudoku is the perfect game for Sudoku enthusiasts of all skill levels.

Looking for more challenges? Try Color Sudoku for a fun twist to solving Sudoku puzzles or test your skills with Expert Sudoku for advanced puzzle solving.