Sudoku Zen brings you the purest, most relaxing Sudoku experience on mobile.

Whether you're a first-time solver or a seasoned puzzle master, Sudoku Zen adapts to your level with three board sizes and multiple difficulty settings —
all wrapped in a clean, distraction-free design.

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🧩 GAME MODES
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• 4×4 — Perfect for beginners and quick sessions
• 6×6 — Balanced challenge for casual players
• 9×9 — The classic full Sudoku experience

Each size offers Easy, Normal, Hard, and Expert difficulty levels so you always find the right challenge.

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📅 DAILY PUZZLE
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A brand new puzzle every day. Complete the Daily Puzzle to earn bonus coins and climb the leaderboard. Miss a day? Watch a short ad to unlock it anytime.

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✨ FEATURES
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• Smart Hints — stuck? Get a nudge without spoiling the fun
• Note Mode — pencil in candidates like a real puzzle book
• Auto-Check — instantly highlights mistakes as you play
• Mistake Limit — challenge yourself with limited errors
• Timer — track your best solve times
• Achievements — unlock rewards as your skills grow
• Leaderboard — compete with players worldwide
• Coin System — earn coins by playing and spend them on hints or continues

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🎨 ZEN DESIGN
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Soft cream backgrounds. Clean typography. Subtle animations. No clutter, no noise — just you and the puzzle.

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🚫 REMOVE ADS
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Enjoy an uninterrupted Sudoku experience with a one-time purchase. No subscription. No hidden fees.

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📱 OFFLINE READY
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Play anywhere, anytime — no internet required.

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If you love classic number puzzles, brain training games, or just need a moment of calm in your day — Sudoku Zen is made for you.

Download free and start your first puzzle today.