Sudoku - Train Your Mind

Train your mind and relax with the ultimate classic Sudoku experience! Whether you want to unwind after a long day or keep your brain sharp and active, Sudoku offers a clean, modern, and beautifully crafted logic puzzle journey for players of all skill levels.

Small puzzles, big progress! Play a wide variety of generated Sudoku puzzles, each with a single solution, and build a daily solving habit.

━━━━━━━━━━━━━━━━━━━━━━━━━━━━
✨ KEY FEATURES
━━━━━━━━━━━━━━━━━━━━━━━━━━━━

🧩 FOUR DIFFICULTY TIERS
• Choose Easy, Medium, Hard, or Expert for a new puzzle.
• Journey progresses through Easy (levels 1–10), Medium (11–30), Hard (31–60), and Expert (61+).

📅 DAILY CHALLENGES & STREAKS
• Play a fixed offline challenge for each UTC date.
• Keep your daily streak alive with consecutive completions.
• Stay motivated with daily brain-training habits.

✏️ SMART HELPER TOOLS
• Notes Mode (Pencil Marks): Jot down candidate numbers just like on paper.
• Helpful Hints: Reveal a correct number in an unfinished cell.
• Undo & Redo: Test new paths freely and backtrack mistakes without frustration.
• Clear Tool: Quickly erase entries with a single tap.
• Duplicate Highlighting: Easily spot identical numbers in rows, columns, and 3x3 blocks.

📊 PROGRESS & DETAILED STATS
• Follow your Journey progress and unlock cosmetic milestone badges.
• Review completed games, average and best times, mistake-free rate, and hint use.
• See recent activity and breakdowns by difficulty and game mode.
• Keep personal records and statistics on this device. They are not synced or compared with other players; detailed aggregate statistics start from the version that introduced them.

🎨 CLEAN & ELEGANT DESIGN
• Designed with a modern, distraction-free aesthetic.
• Smooth, responsive controls and intuitive number pad.
• Eye-friendly layout crafted for extended, comfortable play sessions.

✈️ 100% OFFLINE PLAY
• Play every mode without an account, server connection, or active internet.
• Daily puzzles use the UTC date on your device and are intended for casual play.
• Personal records and progress stay on this device and are removed if its app data is cleared or the app is uninstalled.

━━━━━━━━━━━━━━━━━━━━━━━━━━━━
🧠 HOW TO PLAY SUDOKU
━━━━━━━━━━━━━━━━━━━━━━━━━━━━
The objective is simple yet deeply rewarding:
Fill the 9×9 grid so that every row, every column, and each of the nine 3×3 blocks contains all numbers from 1 to 9 without repeating any digits.

Whether you are learning the rules or looking for a focused logic break, Sudoku offers a calm way to practice at your own pace. Difficulty labels describe the current game settings; advanced levels have not yet been calibrated against a technique-based solver or player study.

Download now, sharpen your logic, and enjoy classic Sudoku every day!

Recent changes:
new varian jigshaw sudoku added