Best Difficult Sudoku Apps &amp; Games

4.5(110 ratings)

FreeAds

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This game offers a vast collection of challenging Sudoku puzzles across five distinct categories. With 2500 puzzles in total, it's designed to test and enhance your logical thinking skills. It's completely free to play and aims to help you become a Sudoku genius.

Sudoku Puzzle - Brain Games by Guru Smart Holding Limited

Classic Sudoku & Math Games

Strong Contender

4.9😊(93K ratings)

FreeAdsIn-App Purchases

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Engage your mind with a classic Sudoku puzzle game offering thousands of challenges across four difficulty levels. Features include note-taking, auto-check, daily challenges, and hints to aid your brain training.

What We Love

🚀 Great classic sudoku
👍 Excellent wifi-free sudoku puzzling
👍 Fun and entertaining
👍 Awesome brain work out!
👍 Excellent sudoku experience
👍 Really relaxing
👍 Very interesting game
👍 Brain motivating Game
👍 Love sudoku
👍 Very good
👍 Perfect
👍 Very good and I love playing this game

Room to Improve

🔍 Good game lots of ads
🔍 Some level inconsistencies!
🔍 Overrides background sounds
🔍 Ads way frustrating
🔍 What! No Landscape mode!
🔍 Ads are worse than ever
🔍 Too many ads
🔍 Ads overrides background sounds
🔍 Ads are more frustrating
🔍 Ads way too frequent
🔍 Ads ruin the experience
🔍 Intrusive and obnoxious ads
🔍 Ads are the worst
🔍 Ads are extremely annoying

Sudoku ′ by Mind The Frog, Inc.

Sudoku free of distraction

Worth Considering

Sudoku Color - Classic Puzzle!

4.7😊(39K ratings)

FreeAdsIn-App Purchases

Engage with an unlimited supply of Sudoku puzzles, playable online or offline. This app offers six difficulty levels, daily challenges, and a clean, user-friendly interface designed for both novice and expert players. Enjoy a distraction-free experience with customizable settings and essential tools like undo/redo and note-taking.

What We Love

👍 Easy to use
🧠 Challenging levels
🎨 Customizable colors
📝 Helpful note-taking feature
🔍 Number highlighting

Room to Improve

🔍 Confusing note-taking behavior
🔍 Difficulty level jumps
🔍 Ads interrupting gameplay
🔍 Lack of progress tracking
🔍 Unstable on some devices

More Difficult Sudoku apps to explore

Original Number Puzzles

Colorful Sudoku gridsAdjustable difficulty levelsSmaller puzzle options for beginners

Experience the classic Sudoku puzzle with a vibrant, colorful twist. This app offers an engaging approach to mastering logic and strategy, with options for both beginners and seasoned players. Enjoy a gentler visual experience and customizable difficulty levels.

(35K)

Sudoku (Soduku) Brain Puzzles

Sudoku ▦

Thousands of free puzzlesClassic Sudoku designPencil mode for notes

Enjoy the classic paper-and-pencil puzzle game on your phone with a clean, elegant design. Challenge your mind with multiple difficulty levels and helpful tools to aid your solving experience.

(104K)

High Quality Sudoku Cards

Sudoku·

Daily ChallengeMultiple difficulty levelsNote taking

Engage your mind with a classic Sudoku puzzle game. Enjoy a clean interface and multiple difficulty levels. Track your progress and compete with others.

Classic Sudoku Logic Puzzles

Smart hint system teaches logicFive difficulty levelsDaily puzzle challenges

This app offers a classic Sudoku puzzle experience with a modern design and intuitive controls. It features five difficulty levels, a smart hint system that teaches logic, and daily challenges to keep your mind sharp. Track your progress and enjoy a customizable and relaxing gameplay.

(161K)

Sudoku by Staple Games

by Staple Games

Daily ChallengeFour difficulty levelsNumber removal assistance

Engage your mind with classic Sudoku puzzles in a clean, modern interface. Offers daily challenges and multiple difficulty levels to sharpen your logic and concentration.

Classic logic number puzzle

4 difficulty levels3 input modesPencil marks with auto fill/erase

This app offers a digital Sudoku experience with multiple difficulty levels and input modes. It includes features like pencil marks, intelligent hints, and auto-saving, allowing you to track progress and compete with others online.

(8.5K)

SUDOKU - TheSudoku.com

Sudoku game

Never-ending supply of puzzlesCustomizable difficulty levelsHints and error highlighting

Engage in a classic number-placement puzzle with a fresh design. Offers a vast collection of puzzles, customizable difficulty, and helpful tools like hints and error highlighting. Compete with others or play at your own pace, online or offline.

(110)

Sudoku - Classic Sudoku Games

Sudoku (Soduku) Brain Puzzles

Endless free Sudoku puzzlesFour difficulty levelsHints and notes

Enjoy an endless supply of free Sudoku puzzles with adjustable difficulty levels. This game offers helpful features like hints and auto-check to assist players, or they can opt for a pure challenge. Train your brain anytime, anywhere with this polished and intuitive puzzle experience.

Unlimited Sudoku Puzzle Games

Unlimited puzzlesCustomizable themesDetailed statistics

Engage in classic Sudoku with unlimited puzzles for all skill levels. Features customizable themes, detailed statistics to track progress, and helpful tools like pencil marks and hints to aid in solving challenging grids. Enjoy a seamless experience with auto-save functionality.

(18K)

Sudoku - Exercise your brain

A puzzle and casual game！

Number puzzle gameplayLogical thinking enhancementMemory improvement

This number puzzle game offers endless fun and brain-training benefits. It challenges you to fill grids with numbers 1-9, ensuring each appears only once per row, column, and mini-grid. Regular play enhances logical thinking, memory, and concentration.

(705)

Sudoku ∙ Classic Sudoku Games

Brain Training - Logic Sudoku

Thousands of puzzlesMultiple difficulty levelsDaily challenges

Engage your mind with a classic Sudoku puzzle game offering thousands of challenges for all skill levels. Enjoy a user-friendly interface, daily brain training, and helpful hints to master even the most difficult grids. Play offline and track your progress with detailed statistics.

(24K)

Sudoku Logic Puzzle Card Game

Sudoku :)

Four difficulty settingsCustomizable background colorsEmoji number option

Engage your mind with this classic Japanese logic puzzle. Offers multiple difficulty levels, customizable backgrounds, and unique emoji number options. Track progress and compete with others.

(59K)

Hundreds of Sudoku variations

Sudoku Mega Bundle

Hundreds of unique Sudoku variationsMultiple difficulty levelsHints and smart notes

Explore hundreds of unique Sudoku variations beyond the classic grid. Challenge yourself with diverse puzzle types, difficulty levels, and helpful tools. Enjoy customizable gameplay and track your progress with leaderboards and achievements.

(2.9K)

by Mighty Mighty Good Games

Sudoku

$2.99

Engage in a classic logic puzzle experience with a vast collection of unique challenges. Enjoy multiple difficulty levels, helpful tools, and the ability to track your progress and compete with friends. Solve puzzles anytime, anywhere, with features designed to enhance your gameplay.

1000 unique puzzlesFour skill levelsShow incorrect answers

Easy 2 Expert Colorful Puzzles

(591)

free

Sudoku by MobilityWare+

Color-assisted Sudoku gridsSmaller puzzle sizes for beginnersAdjustable difficulty levels

This app offers a beginner-friendly approach to Sudoku puzzles, utilizing color to simplify the learning process. It starts with smaller grids and gradually increases difficulty, making it accessible for new players while still offering challenges for experienced ones.

by Mighty Mighty Good Games

$2.99

This app offers a challenging Sudoku experience with 1000 handcrafted puzzles designed for advanced players. It features multiple skill levels, advanced solving techniques, and helpful options to aid your gameplay. Track your progress and challenge yourself with unique, solvable puzzles.

1000 unique handcrafted puzzlesAdvanced solving techniquesShow incorrect answers

New Sudoku puzzles every day!

Daily competitive puzzlesMultiple difficulty levelsUnlimited random puzzles

Engage in a daily Sudoku challenge with puzzles at various difficulty levels. Track your progress against global players and enjoy features like smart hints and number highlighting. An optional subscription unlocks unlimited puzzles and removes ads.

(136)