Sudoku - classic sudoku

Sudoku free puzzle game is a very popular number puzzle game. Many people all over the world like to play free Sudoku game. Whether you want to train your brain or pass your free time, solving Sudoku free puzzles is a very good choice. Install sudoku free app to start now! The rules of the Classic Sudoku puzzle game are very simple. The goal is to put 1 to 9 numbers into each grid cell so that each number can only appear once in each row, column, and block. Even a beginner can master the sudoku free puzzle game in a very short time.

Our free sudoku puzzle game provides puzzles with multiple difficulty levels. Novices can choose simple sudoku puzzles to train their logical thinking; advanced players can choose difficult sudoku puzzles to challenge the limits of the brain. In addition to 9x9 puzzles, we provide super simple sudoku free puzzles with size 6x6, and we also provide giant sudoku free puzzles with size 16x16.

Main Features
- There are three types of Sudoku puzzles: 6x6, 9x9 and 16x16, suitable for both beginner and advanced players.
- Complete daily challenges and collect beautiful trophies.
- Game Level function includes 15,000 puzzles, ranging from easy to master.
- The Smart Hint function shows the thinking step of solving puzzles and users can learn sudoku techniques easily from it.
- Turning on the notes mode allows you to take notes conveniently, just like on paper.
- Long press and lock one number to quickly fill in multiple cells. This function can be turned on in the settings.
- Color theme, choose the color that makes your eyes the most comfortable.

Other Features
- Sudoku solver and generator.
- Save and load game.
- Ranking list. Show who solves the Sodoko puzzle the fastest.
- Auto-save. Continue to play the suduko game next time.
- Unlimited undo. Don’t worry about filling in the wrong numbers.
- Turn on/off sound effects.
- Turn on/off timer.
- Highlight duplicates to avoid repeating numbers in a row, column, and block.
- Zudoku support mobile phones and tablets.

This is a sodoku App specially designed for soduko lovers. If you like to play soduku games, please download the suduku app and start your challenge journey immediately! We believe you will love to play this sudoko everyday and this sedoku puzzles can bring you much relaxing time.