🧩 The Ultimate Brain Puzzle

Train Your Mind with
Sudoku Master

Thousands of hand-crafted puzzles across 4 difficulty levels. Daily challenges, leaderboards, hints, and smart note tools — everything you need to become a Sudoku legend.

HARD MODE 08:42
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Everything You Need to Master Sudoku

Packed with smart tools and features designed to make every puzzle session fun, challenging, and rewarding.

🧩
Infinite Puzzles
Procedurally generated puzzles with unique solutions guarantee you'll never run out of challenges.
🗓️
Daily Challenges
A fresh Hard-mode puzzle every day. Build your winning streak and compete on daily leaderboards.
💡
Smart Hints
Stuck? Use hint rewards to reveal a cell, fix errors, or auto-fill candidates — without spoiling the fun.
✏️
Candidate Notes
Built-in note mode lets you mark possible numbers in each cell, just like penciling in a real puzzle book.
🏆
Leaderboards
Compete for the fastest completion time across all four difficulty levels and claim your spot at the top.
📊
Detailed Statistics
Track your win rate, best times, error count, and daily streaks across every difficulty.
🎯
Smart Highlighting
Automatic row, column, and box highlighting makes it easy to spot conflicts instantly.
🌙
Dark Mode Design
A beautiful, eye-friendly dark theme designed for extended play sessions day or night.

Four Levels of Challenge

From relaxing Sunday puzzles to mind-bending Expert grids, there's a perfect difficulty for every player.

😊
Easy
46–50 clues given
Perfect for beginners or a relaxing warm-up. Plenty of starting numbers to guide you.
🧠
Medium
36–45 clues given
Requires logical deduction. Great for players who have mastered the basics.
🔥
Hard
27–35 clues given
Demands advanced techniques. Every placement counts. Not for the faint-hearted.
💀
Expert
22–26 clues given
The ultimate test. Minimal starting numbers. Only true Sudoku masters conquer these.
∞
Unique Puzzles
4
Difficulty Levels
365
Daily Challenges / Year
5⭐
Rated on Google Play

How to Play

New to Sudoku? Here's everything you need to know to get started in minutes.

1
Choose Your Difficulty
Select Easy, Medium, Hard, or Expert from the home screen to generate a fresh puzzle.
2
Tap a Cell
Tap any empty cell on the board to select it. Related cells highlight automatically.
3
Enter a Number
Use the number pad to fill in your answer. Each number 1–9 can only appear once per row, column, and 3×3 box.
4
Use Notes
Enable note mode to pencil in candidate numbers. Auto-remove clears them when conflicts arise.
5
Get a Hint
Watch a short reward video to unlock a hint, fix errors, or auto-fill all candidate notes.
6
Solve the Puzzle
Fill every cell correctly to complete the puzzle, earn stars, and update your personal best time!