Sudoku - Brain Training Puzzle

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Content rating
Everyone
10+
Downloads
Content rating
Everyone
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Screenshot image
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About this game

Welcome to Classic Sudoku, your daily brain-training puzzle game.

Sudoku is a popular logic-based number puzzle enjoyed by millions of users worldwide. By filling in the numbers, you can naturally improve your memory, concentration, and problem-solving skills. It is the perfect puzzle game for stress relief and daily brain training.

[ Key Features ]

■ Custom Difficulty Levels

Easy: The perfect starting point for beginners. A light and quick brain warm-up.

Medium: A balanced brain-training level for users familiar with the puzzle.

Hard: Designed for advanced players who need strong concentration and logical strategies.

■ Smart & Convenient Play Features

Note Feature (Pencil Mode): Take notes of possible numbers in each cell to solve puzzles systematically. Notes update automatically when a number is confirmed.

Highlight Duplicates: Prevents mistakes by highlighting duplicate numbers in rows, columns, and 3x3 blocks.

Hints & Help: Smart hints guide you through the solving process step-by-step if you get stuck.

Unlimited Undo: Freely undo your mistakes without any limits.

Auto-Save: Your progress is automatically saved even if you close the app, allowing you to resume anytime.

■ Personal Stats & Records

Track your best time, average time, win rate, and consecutive streaks for each difficulty level at a glance.

Monitor your puzzle-solving progress and skill improvements through personal data.

[ Benefits of Sudoku Brain Training ]

Memory & Logic Improvement
Solving Sudoku puzzles helps develop your reasoning and memorization skills.

Active Brain Stimulation
Enjoyed daily, Sudoku is a healthy brain exercise for people of all ages, helping to maintain active and healthy cognitive functions.

Increased Focus & Immersion
Experience deep immersion and intense focus as you analyze the relationships between numbers and approach the board logically.

[ Highly Recommended For ]

Fans of classic puzzles, number puzzles, and logic games.

Anyone looking for a stimulating game for healthy cognitive activity.

Users who enjoy brain-teasing puzzles like Nonograms, Crosswords, and Picross.

Those who want to relax and relieve stress in a short amount of time.

New puzzles are ready every day. Start your brain-training journey with Classic Sudoku today!
Sudoku, a daily brain exercise.
Updated on
Sep 13, 2026

Data safety

Safety starts with understanding how developers collect and share your data. Data privacy and security practices may vary based on your use, region, and age. The developer provided this information and may update it over time.
  • No data shared with third parties
    Learn more about how developers declare sharing
  • This app may collect these data types
    Device or other IDs
  • Data isn’t encrypted
  • Data can’t be deleted
Content rating
Everyone
Learn more

App support

About the developer
담을빛
anhyeongseok99@gmail.com
대한민국 10339 경기도 고양시 일산서구 고봉로 351-5, 상가동 2층 201호(일산동, 삼성아파트)
+82 10-2274-3795

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