Sudoku is a focused number puzzle with a clean dark interface.
HOW TO PLAY
Fill the 9×9 grid so every row, column, and 3×3 box contains digits 1–9 without repeats. Tap a cell, pick a number, or switch to note mode for candidates.
FEATURES
• Six difficulty levels from Easy to Robots only
• Number pad with completed-digit markers
• Note mode, eraser, undo, and hint
• Conflict highlighting and same-number matches
• Timer and personal time records per difficulty
• Soft interstitial ads on occasional new puzzles
• Game Center / Play Games leaderboards
Classic Sudoku with notes, hints, undo, and leaderboard