Expert Sudoku is for serious Sudoku players. Our hand-crafted puzzles are solvable with only one solution and no guessing. Show your expertise using advanced solving techniques: Naked and Hidden Triples, X-Wing, XY-Wing, Swordfish, Forcing Chain, 2-string Kite, Skyscraper, Unique Corner, and more. OPTIONS All options are OFF by default, but you can turn them on 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 • 1000 unique handcrafted puzzles • Four different skill levels • ALL puzzles are solvable WITHOUT guessing • Multiple color schemes • Challenge a friend • "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 Are you a Sudoku Master? Then play Expert Sudoku; you will love it! Otherwise, check out our other popular Sudoku games for iPhone and iPod Touch. 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 1000 easier puzzles. * Or try Color Sudoku for a fun twist to solving sudoku puzzles.
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