Sudoku Challenge

Play sudoku daily, train your brain and have fun. Thousand of puzzles to play. Install for free now.
Sudoku is a logic-based number puzzle game and the goal is to place 1 to 9 digit numbers into each grid cell so that each number can only appear once in each row, each column and each mini-grid.
Play Sudoku from easy to expert level. You can relax and keep your brain active when playing. Each sudoku has only one true solution. Take your favourite number game with you wherever you go. Sudoku is available offline. Playing the game on mobile is as good as with a real pencil and paper.
Key Features
✓💪 Sudoku puzzles come in 6 difficulty levels: 6x6 fast, 9x9 (easy / medium / hard / expert), and 16x16 Giant.
✓💪Pencil Mode - Turn on/ off pencil mode as you like.
✓💪Highlight Duplicates - to avoid repeating numbers in a row, column and block.
✓💪Intelligent Hints - guide you through the numbers when you get stuck
✓💪Long press to fill quickly
✓💪 Auto-save. If you leave a game unfinished, it will be saved. Continue playing anytime
✓💪 Unlimited Undos. Made a mistake? Just put it back quickly!
✓💪 Eraser. Get rid of the mistakes

Highlights:

• Thousand classic well-formed sudoku puzzles
• 9x9 grid
• 6 perfectly balanced levels of difficulty. This free app is suitable for both sudoku beginners and advanced evil sudoku players! Play fast, easy and medium levels to exercise your brain. Choose hard sudoku to improve your skills and try expert or giant game for evil challenges.
• Support both phones and tablets
• Simple and intuitive design
If you are sudoku lovers, welcome to our kingdom. You can spend your free time keeping your mind sharp with classic number puzzles. Practice everyday will make you become sudoku master in short time.
Train your brain anywhere, anytime!