Sudoku : Classic Number Games app for iPhone and iPad

Sudoku is a fun and addictive puzzle game, very popular , train your brain and logical thinking, suitable for both beginners and advanced players, and Players from all over the world challenge together.
Sudoku is a logic-based, combinatorial number-placement puzzle. In classic Sudoku, the objective is to fill a 9 × 9 grid with digits so that each column, each row, and each of the nine 3 × 3 subgrids that compose the grid (also called "boxes", "blocks", or "regions") contain all of the digits from 1 to 9. The puzzle setter provides a partially completed grid, which for a well-posed puzzle has a single solution.
Our features:
1. Various levels of game difficulty,
2. Super complete question bank.
3. Daily Challenge - Trophies can be collected.
4. Pencil mode to help you record.
5. Smart tips - help you complete the game better.
6. Detailed statistics to help you review the history.
7. Automatically save the game without losing progress.
8. Online games, offline games.
The questions are updated every week, and the challenges are different every day. Our interface is very clear, protects your eyesight, and its so easy to operate that its more fun than on paper.

When you open it for the first time, there will also be a novice guide to give you detailed teaching.
We have carefully created the game for Sudoku lovers. If you like it, please download and try it as soon as possible, and insist on playing Sudoku every day, so that you can have a different feeling, such as a stronger brain.