Sudoku Haga: Classic Offline

Give your brain a calm, focused challenge every day. Sudoku Haga turns the classic 9×9 number puzzle into a calm, focused daily routine. Each puzzle lets you practice logical thinking, concentration, pattern recognition, and problem-solving—at your own pace and without pressure. Explore thousands of Sudoku puzzles across five difficulty levels. Start with a quick Easy game, build your skills through Medium and Hard, or challenge yourself with Expert and Extreme puzzles. TRAIN YOUR MIND EVERY DAY Take on a new Daily Challenge, maintain your streak, and use the calendar to revisit previous challenges. A few focused minutes each day can become an enjoyable Sudoku routine. PLAY YOUR WAY • Five difficulty levels: Easy, Medium, Hard, Expert, and Extreme • Cell-first and number-first input styles • Auto Notes to add all possible candidates • Autofill remaining cells once the solution is clear • Automatic note removal as you solve • Helpful hints when you get stuck • Easy Undo so you can explore different approaches • Highlights for rows, columns, matching numbers, and duplicates • Auto-save so you can continue whenever you return • Customizable number pad and in-game background • Classic Sudoku puzzles available offline FOLLOW YOUR PROGRESS See how your Sudoku skills develop over time. Track games played, wins, perfect wins, completion rate, best and average times, total play time, mistakes, hints, and current and best streaks. Filter your statistics by time period and difficulty to understand your progress, refine your solving strategy, and take on harder puzzles with confidence. Whether you want a five-minute focus break or a demanding logic challenge, Sudoku Haga always has another puzzle waiting. Take a focused break and solve today’s challenge.