Sudoku is very popular puzzle game. Sudoku is a very popular game and is a logic puzzle which trains you brain.
Sudoku is a Japanese puzzle game. It's based on numbers logical placement. The goal is to fill 9x9 grid with digits so that each column, row, and 3×3 section contain the numbers between 1 to 9. Some of the squares will be filled out at the beginning of the game. You have to complete the grid by filling in missing digits. The rules are:
Sudoku is very popular logical, combinatorial number-placement Japanese puzzle.