Best Difficult Sudoku Apps &amp; Games

4.9😊(89K ratings)

FreeAdsIn-App Purchases

#80in Games

Sudoku Puzzle - Brain Games screenshot 1

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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

Extreme Difficult Sudoku 2500 by Ohte, Inc.

Heat Your Brain!

Strong Contender

4.5(107 ratings)

FreeAds

Extreme Difficult Sudoku 2500 screenshot 1

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Extreme Difficult Sudoku 2500 screenshot 3

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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 ′ by Mind The Frog, Inc.

Sudoku free of distraction

Worth Considering

4.7😊(38K 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

Sudoku (Full Version)

by genina.com

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.

(8.4K)

Classic Sudoku Logic Puzzles

⋆Sudoku

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)

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.

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.

(135)

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.

(23K)

Unlimited Sudoku Puzzle Games

Sudoku ⋆⋆

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 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)

Sudoku : Daily Fun Puzzle Game

Classic Brain Number Challenge

Multiple difficulty levelsDaily challenges and trophiesPencil mode

This classic number puzzle game offers thousands of Sudoku challenges for all skill levels. Train your brain, improve logical thinking, and enjoy a stimulating break with daily challenges and helpful tools. Play anytime, anywhere, and track your progress.

(2.3K)

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 Brain Game

Logic puzzles & Mind games

Smart point systemOnline leaderboardsTrack game runs

Experience Sudoku with a unique point system, track your progress with runs, and compete globally on leaderboards. Enjoy thousands of free puzzles with adjustable difficulty and customizable looks.

(661K)

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

Hundreds of Sudoku variations

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)

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.

(702)

Sudoku・

by Optime Software LLC

Dual keypad entrySmart notes (auto-notes & manual deletion)Optional error checking

Experience Sudoku in a feudal Japan setting with beautiful graphics and advanced features. This app offers dual keypad entry, smart note-taking, and error checking to enhance your puzzle-solving. With multiple difficulty levels and thousands of puzzles, it caters to all skill levels.

(11K)

by Mighty Mighty Good Games

Expert Sudoku

$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

Killer Sudoku by Sudoku.com

(75)

free

Math crossword & number puzzle

Killer Sudoku puzzlesThousands of levelsDaily challenges

Engage in a challenging math crossword and number puzzle experience. Solve thousands of Killer Sudoku puzzles with enhanced gameplay, daily challenges, and seasonal events. Train your brain and become a sudoku master with helpful hints and notes.

(217K)

Sudoku -- Classic

Fun Classic Sudoku Game