10 Frequently Asked Questions About Sudoku: Answers and Tips for Beginners

10 frequently asked questions about sudoku you should now:

  1. What is Sudoku?
  • Sudoku is a logic-based puzzle game played on a 9x9 grid. The goal is to fill each row, column, and 3x3 box with the numbers 1-9, without repeating any numbers in each row, column, or box.
  1. Who invented Sudoku?
  • Sudoku was not invented by a single person. It is based on an old puzzle called "Magic Squares" and was developed into its modern form by Howard Garns, a retired architect, in the 1970s.
  1. How do you play Sudoku?
  • To play Sudoku, fill in each empty cell of the 9x9 grid with a number between 1-9. Each row, column, and 3x3 box must contain each number 1-9 exactly once. The game starts with some cells already filled in, and you must use logic to fill in the rest of the grid.
  1. What are the rules of Sudoku?
  • The rules of Sudoku are simple: each row, column, and 3x3 box must contain each number 1-9 exactly once. You cannot repeat any numbers in a row, column, or box.
  1. What is the difference between easy, medium, and hard Sudoku puzzles?
  • The difference between easy, medium, and hard Sudoku puzzles is the number of clues given at the beginning. Easy puzzles have more clues, while hard puzzles have fewer clues. This makes hard puzzles more challenging and requires more advanced logic to solve.
  1. Can Sudoku puzzles have more than one solution?
  • No, a well-designed Sudoku puzzle will have only one solution. If a puzzle has multiple solutions, it is considered flawed and not a valid Sudoku puzzle. Learn why sudoku cannot have 2 solutions
  1. Is Sudoku good for your brain?
  • Yes, Sudoku is a great brain exercise! It requires logical thinking, problem-solving, and pattern recognition, all of which are important for cognitive health. Learn more about sudoku health benefits.
  1. Can you solve Sudoku without guessing?
  • Yes, you can solve Sudoku puzzles using logic alone. Guessing is not necessary, although it can sometimes speed up the solution process.
  1. Are there any tips for solving Sudoku puzzles?
  • Yes, here are a few tips: start with the easiest squares, use pencil marks to eliminate possibilities, look for hidden singles, and use advanced techniques like X-wing and swordfish when necessary.
  1. Where can I find Sudoku puzzles to solve?
  • Sudoku puzzles can be found in newspapers, puzzle books, and online. There are also many Sudoku apps and websites that offer free puzzles of varying difficulty levels. But the easiest way is to install Sudoku+ app on your phone and solve sudoku offline even when not connected to the internet.

Previous: Japanese puzzle games - from sudoku to Shikaku | Next: Common Sudoku Mistakes and Why Backtracking May Not Be the Best Strategy