Here you will find: Puzzle Page Sudoku January 28 2020 Answers. Let me explain how to play Sudoku. Deduce which number goes in the square following these rules: only the number 1-9 can be used and cannot be repeated within the same line or 3×3 square. You can select the difficulty level for each Sudoku Puzzle you unlock – select Easy difficulty to have more numbers filled in at the start of the puzzle.