The classic logic puzzle game, Sudoku with time attack and world ranking features. It helps you with training the brain, serving as recreation and relieves stress. We have not only common 9×9 Sudoku puzzles but also 4×4 and 6×6 Sudoku puzzles.

Complete Functions!

· 3 sizes of puzzles (4×4, 6×6 and 9×9)
· Different levels (simple, easy, medium, difficult, hardest)
· Time Puzzle
· Time Competition
· World Ranking
· Duplicates highlight (simple mistake prevention)
· Pencil function (memo function)
· Eraser function
· Clear all function

· Error searcher
· Hint suggestion
· Number first input method, which can be easily switched from Cell first method.


Also Great for Sudoku Beginners!
There are smaller sized Sudoku puzzles (4x4, 6x6) prepared for beginners and children, which is a feature that cannot be found in other Sudoku apps. This allows beginners to grasp the technique behind Sudoku quickly to move on to the 9x9 puzzles.

Battle SUDOKU (NEW!!)
Two players, one puzzle. Lock in more squares faster than you opponent.

Daily challenge puzzles make beginners more familiar by questing smiley emoji stamps every day.

Time Attack Mode Available!
Challenge solving puzzles as fast as you can! Of course, every size of puzzles (4×4, 6×6 and 9×9) are playable for the time attack mode. You can try to break your personal record and challenge your limits. In addition, you can compete with players from around the world by speed.

Ranking Function Available!
This app is also designed to make users feel like a game on top of the contentment of solving the puzzles. A certain number of points are added when each puzzle is solved. The number of points changes according to the level of difficulty. You can challenge the rankings every day as there are different types, such as those that last for a day, a week, a month, and forever.

Others
We promise to make improvements on both regular and irregular basis to make the game more enjoyable. We will read all the reviews carefully and take them into account, so please give us any feedback and improvement points that you would like to see done.

Please try playing Sudoku in the way that can only be done in apps first!

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