Classic Sudoku Puzzles

Sudoku

10,000 offline puzzles, classic and jigsaw, to train your brain.

3.3 · 39.2K reviews1M+ downloadsFree on Android · iOS

Screenshots

About Sudoku

A classic number puzzle app for training your logic, playable entirely offline. It offers both classic and jigsaw Sudoku across five difficulty levels, and every puzzle has exactly one solution. Smart Hints explain the reasoning behind a move, so you can learn solving techniques rather than just see the answer.

How to play Sudoku

Sudoku is a number puzzle with a 9×9 grid. Fill each empty cell with a number from 1 to 9. A number can appear only once in each row, each column and each 3×3 box. You don't need maths. You only need to think carefully. Every puzzle in this app has only one correct answer.

Jigsaw Sudoku (also called Irregular Sudoku) uses the same rules. But the nine boxes have different shapes instead of squares. Colours or borders show each box. Try it when the classic puzzle feels too easy.

More than 10,000 puzzles at five levels

This Sudoku app has more than 10,000 different puzzles at five levels: Easy, Medium, Hard, Expert and Ultimate. We add more puzzles in updates. Beginners can start with easy puzzles, and good players can try the hardest ones. Smart Hints explain why a move is correct. They teach methods like Naked Singles, so you learn to solve puzzles yourself.

Free offline Sudoku with notes and dark mode

Use notes to write possible numbers in a cell. You can also fill in notes for one cell or the whole grid with one tap. When you place a number, the app updates your notes for you. You also get unlimited undo, an optional mistake limit (three mistakes ends the game), best-time statistics, light and dark themes, and auto-save. Sudoku works offline and is free for Android and iPhone. More than one million people have downloaded it.

Why you'll love it

Classic and jigsaw

Play regular Sudoku or the irregular-block jigsaw variant in the same app.

Five difficulty levels

Choose from Easy, Medium, Hard, Expert and Ultimate puzzles.

Smart Hints

Hints explain the logic behind moves, including techniques like Naked Singles.

Notes and auto-fill

Use note mode, auto-fill candidates and automatic note updates as you place numbers.

Undo and auto save

Undo mistakes without limit, and games save automatically so you can resume anytime.

Light and dark themes

Pick the theme you prefer, and track your best times with statistics.

Full description

Sudoku Classic Puzzle Game is a number game to sharpen your mind. Train your brain by playing free offline Sudoku game. Daily Sudoku puzzle game consists of five different difficulty mode more than 10,000 unique challenging Sudoku puzzles with both classic and jigsaw modes and more Sudoku brain puzzles will be added continuously. Download our Sudoku offline puzzle app for your android phone. Train your brain, develop logical thinking, sharpen your math puzzle solving skill and relax your mind by playing our best classical Sudoku puzzle game. Play unlimited top Sudoku master game anywhere, anytime. Without a doubt, Sudoku free reigns as the king of logic based number games.

NEW*: Smart Hints – Learn how to solve Sudoku instead of just getting the answer. Smart Hints explain the logic behind moves, including techniques like Naked Singles and other solving strategies, helping you improve your skills and become a better Sudoku solver.

Classic Sudoku Puzzle
The goal of the Sudoku classic puzzle is to fill all cells on grid with number from 1 to 9 without repeating on either row, column or 3x3 block.

Jigsaw Sudoku puzzle (Also known as Irregular Sudoku puzzles)
The rules for Jigsaw Sudoku puzzle are same as classic Sudoku puzzle except the block is of irregular shape. Instead of 3x3 regular square box, the irregular Sudoku free puzzle consists of 9 irregular shaped block which are differentiated with the color or the border.

Irrespective of whether it is classic Sudoku or jigsaw Sudoku, each free Sudoku puzzle will have one and only one solution.

Main features of the Sudoku free puzzle game:

Classic and Irregular Sudoku mode : Play both variants of classic Sudoku / Jigsaw Sudoku puzzles in single app
Clean UI/UX : Play clean Sudoku with beautiful and minimalist design for distraction free game play and cool animation.
Dark / Light theme : Play your favorite Sudoku game on either light or dark mode whichever you prefer.
Unlimited Undo : Undo every mistake.
Statistics : Keep track of your best time. Track your progress
Note mode : note mode to fill notes (candidates)
Difficulty level : Five difficult level to test your Sudoku solving technique (Easy, Medium, Hard, Expert and Ultimate). From beginners (easy sudoku) to advanced players (vary hard sudoku) you will find the perfect free Sudoku puzzle to solve.
Auto save : Sudoku Puzzle Games are automatically saved on exit. Pause and resume game anytime.
Thousands of puzzle : You won’t play same game twice with more unique Sudoku puzzles being added in every update
Auto Fill notes: Auto fill notes on either a single cell or all cells with a single tap. You don’t need to fill notes on cell.
Hints : Ever stuck on hard Sudoku puzzle? Well, hints will help you to progress on.
Automatic update of notes : With every number filled on cell, all corresponding cells will update its’ notes.
Unlimited mistake mode : No game over on mistakes (this setting need to be toggled).
Offline : Play best Sudoku puzzle without WiFi and internet connection.

You can challenge yourself with mistake mode where 3 mistakes will end the Sudoku puzzle game. Can you solve difficult Sudoku puzzles without making any mistakes. Find out by playing top free Sudoku master games.

Play the best fun Sudoku free number app on the store and enhance your solving ability. Challenge yourself with the new mind refreshing free daily Sudoku puzzle and in no time you will be master solver of even hard Sudoku puzzles. Practice daily Sudoku and learn even more advanced Sudoku solving techniques. A must have app for Sudoku solver. Whether you are searching for easy Sudoku or hard Sudoku, this is the only app you will ever need.

People often misspell Sudoku as Soduko, Sdoku, Sodoku,Suduko, soduku, sedoku, sudoko or even suduku puzzels.

Keep playing the best Sudoku offline game. Share classic / jigsaw puzzles game with your families and friends.