Sudoku is one of the most popular puzzle games of all time. The goal of Sudoku is to fill a 9×9 grid with numbers so that each row, column and 3×3 section contain all of the digits between 1 and 9. As a logic puzzle, Sudoku is also an excellent brain game. If you play Sudoku daily, you will soon start to see improvements in your concentration and overall brain power. Start a game now. Sudoku,Weekend Sudoku,Brain Training,Puzzle Game,Logic Puzzle,Number Puzzle,Concentration,Brain Power,Mental Agility,Relaxing Puzzle,Cognitive Skills,Mobile Puzzle,Mobile Game,1-9 numbers,9x9 grid,brain workout