Sudoku SE

Top 100 free app for over a year.
Rated "Best Sudoku Game of the Year" by Apple.
Rated #9 Game of the Year by Apple.
Rated #24 App of the Year by Apple with over 10,000 apps competing!
With unique handcrafted puzzles across four different skill levels, Sudoku (Free) is a great introduction to the fun and puzzle solving challenge of Sudoku.
OPTIONS
All options are on by default, but you can turn them off in the Options menu
• Show Incorrect :: Shows incorrect answers in red.
• Smart Buttons :: Disables the number button when that number is completed on the game board.
• Smart Notes :: Removes the number from the notes in the box, column, and row that contains the cell with your correct answer.
FEATURES
• Multiple color schemes
• Unique handcrafted puzzles
• Four different skill levels
• Challenge a friend
• ALL puzzles are solvable WITHOUT guessing
• 4 color schemes
• "ALL notes": tap the "All notes" button on to show all the possible answers for each square. Tap the "All notes" button off to remove the notes.
• Hints: shows the answer for the selected square or a random square when one is not selected
• Pause the game at any time and resume where you left off
• Best times, progress statistics, and much more
Do you want more? Try one of our other versions of sudoku which have all the same great features!
* Look for our paid edition of Sudoku with 800 puzzles and more unique color schemes.
* Or try Color Sudoku for a fun twist to solving sudoku puzzles.
* For advanced puzzle solving, try Expert Sudoku to challenge your sudoku solving skills.