Sudoku Doku

Unwind, focus, and boost your brain power with Sudoku Doku! Play thousands of classic number puzzles across all difficulty levels. Start your daily mental workout!

Unwind, focus, and boost your brain power with Sudoku Doku, the clean and modern take on the classic number puzzle game. Whether you’re a beginner or a Sudoku master, you’ll find the perfect challenge waiting for you.

What is Sudoku? Sudoku is a simple yet addictive logic puzzle:

Fill every row, column and 3x3 box with numbers from 1 to 9 – with no repeats.

No math, no guesswork, just pure logic and fun.

Why you’ll love Sudoku Doku

Multiple difficulty levels – Easy, Medium, Hard & Expert so everyone can play.

Smart hints – Not just the answer. Learn why a move works and improve your skills.

Notes mode (pencil marks) – Keep track of possible numbers like on real paper.

Auto-check & error highlights – Turn them on to learn or off for a real challenge.

Undo & redo – Made a mistake? Go back as many steps as you want.

Clean, distraction-free design – Big cells, smooth controls, no clutter.

Daily & Long-Term Challenges

Daily challenge – Play a new puzzle every day and collect streaks.

Achievements & stats – Track your fastest times, win streaks and best difficulties.

Leaderboard – See how you stack up against other players around the world.

Play Anytime, Anywhere

Offline play – No Wi-Fi? No problem. Play Sudoku Doku on the go.

Save & resume – Pick up right where you left off, even if you close the app.

Number styles & grid options – Choose the look that’s easiest on your eyes.

One-touch controls – Tap, hold, or use number-first selection – your choice.

How to Play

Choose a difficulty level.

Tap a cell and pick a number from 1 to 9.

Use notes to track possibilities.

Complete the board so every row, column and 3x3 box has all digits 1 through 9 with no repeats.

If you enjoy brain teasers, number puzzles, crosswords or logic games, Sudoku Doku will become your new daily habit.

Download Sudoku Doku now and give your brain a fun workout every day!