Sudoku — the classic logic puzzle for brain training and mental development. Number puzzles improve focus, memory, and concentration.

Logic games for all skill levels: number puzzles suit beginners and experienced players alike. Regular brain training with Sudoku builds a sharper, faster mind.

How to play Sudoku
Fill a 9×9 grid with digits from 1 to 9. Each row, column, and 3×3 box must contain every digit exactly once. A logic puzzle with no randomness — only pure reasoning. Sudoku is solved by logic alone, without guessing. That's what makes number puzzles so rewarding and beneficial for the mind.

Difficulty levels
• Easy — perfect for learning Sudoku
• Medium — ideal for developing logical thinking
• Hard — for experienced number puzzle lovers
• Expert — maximum challenge, true brain training
• Killer Sudoku — advanced mode with extra rules

App features
• Sudoku offline — play anywhere without internet
• Daily number puzzles — a unique challenge every day
• Hints and error checking for beginners
• Autosave — pause and resume at any time
• Multiple themes and customisable interface
• Timer, statistics, achievements and leaderboards
• Smooth play on phone and tablet

Benefits of logic games
Regular brain training with number puzzles is proven to improve concentration, thinking speed, and working memory. Logic games for adults reduce stress and help you unwind after a busy day. Sudoku is one of the few games that entertains and genuinely benefits the mind.

Children who regularly solve number puzzles perform better at maths and develop spatial reasoning skills. Puzzles for adults and kids — train your brain as a family.

Sudoku offline — play on the go, at home, or during a break. Logic games always at hand, with no ads during puzzle solving.

Classic logic puzzle Sudoku — the best way to train your brain every day. Number puzzles for adults and kids, all in one app!