Sudoku of the Day
Sudoku of the Day is the online pastime game to solve easy, medium or hard Sudokus, daily topical Sudokus. Fill in the grid with numbers until you complete the whole grid. The rules consist in not repeating numbers in each row, each column and each 3x3 sub grid. This is a game to sharpen the mind and spend a few minutes a day solving problems and applying mathematical logic.