Sudoku HD

With 1,000 puzzles in four different skill levels, Sudoku HD will give you many hours of fun and puzzle solving. Enjoy the challenge of solving Sudoku puzzles whenever or wherever you are using your iPad. Try your luck or test your strategy to improve your best times. FEATURES * 1,000 unique handcrafted puzzles * Assortment of puzzles in different styles: standard, symmetrical and patterned * Four different skill levels * Multiple color schemes * Show Incorrect :: Shows incorrect answer in red * Multiple Notes :: for each answer square * 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 that cell with your correct answer * Best Times, Progress statistics * Send an email challenge to a friend so they can try to beat your best time on a puzzle * Pause the game at any time and resume where you left off * And much more