Sudoku - Classic Brain Puzzle 3.0

Looking for a brain workout and stress relief? Look no further! Sudoku classic puzzle game (Japanese: 数独, originally called Number Place) is exactly what you need.

Whether you need a moment to relax or take a short break, Sudoku by Volcano is a top-notch sudoku puzzle game that offers low-time-cost entertainment. It not only helps you learn and improve your sudoku skills but also activates your mind and exercises your brain.

Our hint system, known as the sudoku solver, will guide you step by step to solve the puzzles. The instructions are easy to understand, accompanied by helpful animations and colorful visual effects. The hint system not only provides answers but also helps you understand the reasoning behind them, whether you're a beginner or aiming to become a sudoku master.

Our free sudoku puzzle games include ads, but if you prefer an ad-free experience, you're welcome to try our Premium Access which offers exclusive features and uninterrupted sudoku play.

We have designed this innovative free sudoku game with several key features:

• Sudoku variations such as squiggly, X and Color
• 8 difficulty levels from very easy to extreme
• Hint system that teaches you how to solve the sudoku puzzles
• Career statistics to track your sudoku progress
• Access to more sudoku puzzles for free from online sudoku games
• Compete with players worldwide in the Champions Challenge and win rewards
• Create your own custom puzzles or import them from paper sudoku
• Over 15,000 free sudoku games waiting for you

During the gameplay, you will have access to several useful functions:

• Auto-highlighted numbers for intelligent hints
• Pencil marks to aid your solving process
• Double-tap to erase numbers
• Various items, such as error checking
• Unlimited redo and undo

In addition, you will find more useful functions to enhance your sudoku experience:

• Share with your friends via Twitter or Facebook
• Auto-save feature to pause and resume your progress at any time
• Dark Mode for night-time play
• Timer (can be disabled in settings)
• Selected cell highlighting
• Incorrect digit marking
• Enchanting visual effects
• Ability to play sudoku offline
• Various numeral systems, including Chinese numbers
• Premium Access for an ad-free experience
• Universal App that looks great on both phone and tablet
• Daily puzzle competitions for a challenging mind workout
• We value your feedback, which helps us improve the sudoku game

We hope you will enjoy the stunning designs of our exceptional sudoku brain puzzle games, entirely free of charge. It's a classic brain teaser and mind sport that provides an excellent workout for your brain - all for FREE!