Sudoku Zen

Sudoku Zen: Logic Puzzle is a classic 9x9 sudoku game with a calm, modern design. Sharpen your mind with number puzzles ranging from quick beginner grids to expert-level logic challenges — fully playable offline.

FIVE DIFFICULTY LEVELS
Choose Beginner, Easy, Medium, Hard, or Expert. Every puzzle is generated with a guaranteed unique solution, so each sudoku can always be solved by pure logic — no guessing required. Perfect for both first-time players and experienced solvers.

DAILY CHALLENGE
Solve a new daily sudoku every day and build your streak. Daily puzzles work offline, and the calendar lets you go back and finish days you missed.

SMART SOLVING TOOLS
• Pencil marks (notes) with automatic cleanup when a number is placed
• Unlimited undo and a quick eraser
• 5 hints per game
• Number pad shows how many of each digit remain
• Row, column, box, and same-number highlighting

PLAY YOUR WAY
Make the game yours in settings: dark, light, or automatic theme, sound and vibration feedback, mistake limit on or off, auto-check for wrong entries, duplicate highlighting, and timer display. Pause anytime, and auto-save lets you close the app and continue your game right where you left off.

TRACK YOUR PROGRESS
Detailed statistics for every difficulty: games completed, win rate, best and average solve times, win streaks, and perfect wins. Beat your records and earn a new best-time badge on the results screen.

RELAXING, DISTRACTION-FREE DESIGN
A minimalist zen interface with soothing colors keeps you focused on the puzzle. New to sudoku? A short built-in tutorial teaches the rules in minutes.

Whether you want a relaxing brain workout with your morning coffee or a serious logic challenge, Sudoku Zen is a clean, modern take on the classic number puzzle game. Download now and train your brain every day.