"Sudoku Cafe" is a logic-based puzzle game to fill a 9x9 grid with numbers(1 to 9).
From now on, let's enjoy a simple and puzzle game!
Once you start, an hour takes a minute to pass!(not quite literally)
HOW TO PLAY
• The 9x9 playing board has the nine 3x3 subregions.
• Each of the nine 3x3 subregion contains all of the digits from 1 to 9 with no duplicate numbers.
• In the 9x9 playing board, each column and row contained the digits 1 to 9 with no duplicate numbers.