The 8 Best Sudoku Offline Games of 2021

Enjoy your favorite game even without an internet connection

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Ronda Bowen
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Ronda Bowen is a former Lifewire writer with 10 years experience writing and editing for businesses, websites, and individuals.
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Ronda Bowen
Updated on March 28, 2021

Sudoku is a logic-based number game where you fill a 9x9 grid so that each column, row, and box contains the digits 1 through 9. Playing it can improve your memory and reduce stress. We rounded up the best sudoku offline games for when you want to solve a few puzzles without an internet or data connection.

01
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Best Sudoku App for Android and iOS: Genina.com

Three sudoku puzzles in the Sudoku Android app.
What We Like

  • Choose from three input modes.

  • Upload progress and results online when you have an internet connection to compete with others.

  • The game autosaves as you play.

  • It's free.

What We Don't Like

  • ​The backgrounds can be a bit distracting.

This offline sudoku game has both iOS and Android versions. Save your progress, play four difficulty levels, and enjoy automatic error-checking. 

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02
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Best iPhone and iPad Puzzle App: Puzzazz Crossword & Puzzle

Three puzzles from the Puzzazz app for iOS.
What We Like

  • Hand-crafted sudoku puzzles.

  • Includes other puzzle types.

  • Up to six family members can use the app.

  • It's free.

What We Don't Like

  • Some reported trouble using the Apple Pencil with the app.

  • While the app and many of the puzzles are free, some puzzles require an in-app purchase.

Puzzazz is more than an iOS device sudoku app. It also offers crosswords, cryptograms, and other puzzles. The sudoku are hand-crafted, and the NYT crosswords are accurate. 

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03
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Best Android Sudoku App: Andoku Sudoku 2

Three sudoku puzzles in the Andoku Sudoku app for Android.
What We Like

  • It has several input modes.

  • A total of 10,000 puzzles with eight difficulty levels.

  • It's free.

What We Don't Like

  • There are ads.

  • Puzzles tend to be too symmetrical.

Andoku Sudoku 2 is the best offline sudoku app for Android users. It has 10,000 puzzles with six variations of sudoku and eight levels of difficulty. There are also autosave features, automatic error checking, and pencil mark compatibility. 

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04
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Best Windows 10 Offline Sudoku App: Sudoku Pro

A variety of puzzles in increasing difficulty in Sudoku Pro.
What We Like

  • The game is 100 percent free.

  • HyperSudoku is one of the game modes.

  • Unlimited undo and redo.

What We Don't Like

  • There is no pause feature.

  • The puzzles feel repetitive.

If you're looking for a sudoku fix on Windows 10, Sudoku Pro has five game modes, multiple difficulty levels, and a tutorial. It offers hints, a draft mode, and validation. You can also customize the background and themes.

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05
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Best Big Name Developer Offline Sudoku App: Microsoft Sudoku

A sudoku puzzle in the Microsoft Sudoku app for Windows 10.
What We Like

  • Aesthetically pleasing and easy to see on Windows devices.

  • Use a mouse, keyboard, touchscreen, or stylus.

  • Sign in to see the leaderboards.

  • Ads don't obstruct and are to the side.

What We Don't Like

  • Game controls are a little clunky.

  • The erase feature can be a bit frustrating to use.

Microsoft Sudoku works offline or with the Xbox network. It has six difficulty levels, a featured Sudoku of the Day, Irregular and Ice Breaker modes, and more. You can save your progress if you have an Xbox network account.

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06
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Most Attractive Offline Sudoku App: Sudoku Fun

A sudoku puzzle and completion screens in Sudoku Fun for Android.
What We Like

  • It's fun, and the user interface makes it easy to play.

  • Tracks your best scores.

  • Hints help you solve puzzles.

  • The game autosaves.

What We Don't Like

  • Offline only, so you can't store a backup of your data.

  • The game gives you five errors before you lose.

  • Some ads are louder than the game.

Sudoku Fun has an attractive user interface. The number tiles have wood-grain textures, and the background is a teal color. The game has five difficulty levels—beginner, easy, medium, difficult, and expert—a hint system, autosave, and more.

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07
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Best Interface in a Sudoku App: Sudoku by CanaryDroid

Three sudoku puzzles from the Android app Sudoku by CanaryDroid.
What We Like

  • The best interface in terms of ease of use.

  • The pencil marks are easy to use.

  • Autosave and come back to your game later.

What We Don't Like

  • The location of the hint button makes it easy to select accidentally.

  • The ads between games can be annoying (ads play a sound even if the game sound is off).

Previously called Sudoku Master, Sudoku by CanaryDroid is a free Android app with over 20,000 puzzles, two modes, daily challenges, and four difficulty levels—easy, normal, hard, and expert. 

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08
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Most Addictive Offline Sudoku App: Sudoku Quest

A level and puzzles from Sudoku Quest for iOS.
What We Like

  • There's a cute storyline that links the different levels of the game.

  • There are 11 variations on the sudoku puzzles.

  • The game has a variety of power-ups.

  • It's free.

What We Don't Like

  • With the time limit, some of the harder levels can be frustrating.

  • The ads can be distracting.

For sudoku buffs who also enjoy Candy Crush Saga-style gameplay that starts easy and becomes progressively more challenging, there's Sudoku Quest. This game has over 2,000 levels and over 10,000 free puzzles. You can play it on your iOS device, Android, or Amazon Kindle.

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