FEATURES * 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
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