Sudoku by Volcano is the best sudoku puzzle game you can find for your phone and tablet, and it'll help you to learn and improve your skills in sudoku puzzle game. With our hint system, it'll teach you all the skills you need to solve the puzzle with every steps, 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. In the traning mode it'll be with you whether you're complete new to this game, or the way to the expert.We created this innovative sudoku free game with several various key features: ★ Sudoku variations such as squiggly, X and Color ★ 8 difficulty levels from very beginners to the expert ★ Hint system will help to learn how to solve the sudoku puzzle, not only the answer but also why the anwer is ★ Career statistics to keep track of your game progress ★ Global leaderboard and achievement, which you can share or compete with your friends or others ★ Online puzzle offer you to update your puzzle from the server at any time, without re-installing the game ★ Custom puzzle can let you create your own sudoku as composed by yourself, or from the papers ★ More than 15000 puzzles are waiting for you during the game, you will be able to ★ Auto highlighted numbers for intelligent hint ★ Use pencil marks ★ Double-click the cell to erase numbers ★ Use various kind of items, like check the errors ★ Unlimited redo & undo you can also found more useful functions like ★ You can share to your friends via Google+, twitter and facebook ★ Auto-save, you can pause at anytime you like without losing any progress ★ Use Dark mode in the night to protect your eyes ★ Timer, you can also disable it in settings ★ Selected cell highlighting ★ Incorrect digits mark ★ Enchanting visual effects ★ Various numerals like Chinese or Roman ★ Dark theme to protect your eyes while play in the night ★ Universal App looks great on phone and tablet ★ Give us feedback in the game, with your help we'll make it better We hope you will enjoy the stunning designs of our sudoku, it's really a brainteaser game which help to workout your brain! All for FREE!
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Invite your friends to Sudoku and get reward!In champions challenge you can now watch the game playback of the championImprove startup speedFix bugs