Sudoku Red: free classic sudoku puzzles game

数独-古典的な論理ゲーム。簡単、ミディアム、ハード、エキスパートの数独。

Sudoku - called Number Place - it is a logic number placement puzzle game.

Sudoku rules:

Player must to fill a 9x9 grid with digits so that each column, row, and each of the nine 3x3 subgrids that compose the boxes contain all of the digids from 1 to 9. The puzzle setter fills the partially completed sudoku puzzle.

Sudoku Red is a free game.

In this puzzle game you can choose one from 4 difficulty levels:

- very easy - sudoku with 3x3 grid for beginners, to learn rules

- medium - sudoku with 9x9 grid - there are a lot of numbers appearing at the start, easy to arrange, you don't have to combine a lot

- hard - sudoku 9x9 - fewer numbers appear at the start than in the medium level, solutions are not easy, you have to combine more

- expert - sudoku 9x9 - few numbers appear at the start, you have to combine a lot.