Sudoku free - training your brain !

Sudoku free is the best puzzle game and brain teasers you can find for your phone and tablet, and it'll help you to learn and improve your skills in the sudoku game. Choose any level you like. Play easier levels to exercise your brain, logical thinking and memory, or try hard levels to give your mind a real workout. Our classic puzzle game has some features that make sudoku easier for you: hints, auto-check, and duplicates highlight. You can use them or complete the challenge without help – it's up to you! What's more, in our app each puzzle has one solution. You will find all you need whether you are playing your first sudoku, or you've progressed to expert difficulty. With our hint system, it'll teach you all the skills you need to solve the puzzle with every step, and the instructions are very easy to understand, also with helpful animations and colorful visual effects. The hint system will not only tell you the answer but also help you to understand why the answer is. Feature : - 9x9 grid with multiple game modes. - 4 perfectly balanced levels of difficulty: easy, medium, hard, and expert. - 5 difficulty levels and multiple Sudoku puzzles variations. - Extra regions: X-Sudoku, Hyper-Sudoku, Percent-Sudoku, Color-Sudoku. - Auto-save and unlimited Undo and Redo. - Intelligent hints that use only logic. - Checking analytics your sudoku board. - Play offline and don't require network to play the game. We hope you will enjoy sudoku free really a brain teaser game which helps to work out your brain! All for FREE!