Daily Sudoku - Brain Puzzle

Daily Sudoku: a classic number puzzle for every level, from beginner to expert.

Start easy and work up to expert puzzles. Each puzzle has a single solution. Five difficulty levels, five variant modes, and a new Daily Challenge every day.

CLASSIC SUDOKU, 5 LEVELS Relaxed Easy to demanding Expert. Thousands of carefully made puzzles, each with one unique solution.

DAILY CHALLENGE & STREAKS A new puzzle every day. Build your streak and keep your brain sharp.

5 VARIANT MODES - Diagonal: digits 1 to 9 also appear on both main diagonals - Killer: solve with cage sums - Thermo: digits increase along each thermometer - Arrow: the cells on an arrow add up to the circle value - Time Attack: race the clock

SMART SOLVING TOOLS - Highlight matching numbers and cells - Pencil marks for candidate numbers - Hints when you get stuck - Error check and unlimited undo

LEARN 11 SOLVING TECHNIQUES From naked singles and hidden pairs to advanced patterns, learn real solving techniques through visual, step-by-step lessons. The app finds your weak spots and suggests lessons for them.

STATS & ACHIEVEMENTS See your best times, completion rate, and streaks at a glance. Unlock achievements as you improve.

COMFORTABLE DESIGN - 10 color themes - Dark mode for easy viewing - Adjustable font size and haptic feedback - Vertical layout that is easy to use one-handed

PLAY ANYWHERE Fully offline. Available in English, Korean, Japanese, Spanish, Simplified Chinese, and Traditional Chinese.

Download Daily Sudoku today and train your brain with one puzzle a day!

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