Sudoku
Easybrain Ltd / Razzle Puzzles
About this game
- Category Single player
- Age 10
- Updated Jul 26, 2024
- OS IOS / Android
Editor reviews
Sudoku is a highly popular and addictive number puzzle game that challenges players to fill a 9x9 grid with numbers. The goal is to ensure that each column, row, and 3x3 subgrid contains all the digits from 1 to 9 without repetition. With a combination of logic, strategy, and attention to detail, Sudoku offers a mental workout that keeps players engaged and thinking. Whether you're a beginner or an expert, Sudoku provides endless puzzles that test your problem-solving skills and offer a rewarding sense of accomplishment with every completed grid.
Key Features
Classic Puzzle Gameplay:
Fill the 9x9 grid with numbers so that each row, column, and 3x3 subgrid contains all digits from 1 to 9. The rules are simple, but the puzzles require logical thinking and planning to solve.
Multiple Difficulty Levels:
Choose from various difficulty levels, including easy, medium, hard, and expert. Whether you're a beginner looking to learn the basics or a seasoned player seeking a challenge, Sudoku offers puzzles tailored to your skill level.
Unlimited Puzzles:
With countless randomly generated puzzles, Sudoku ensures that you never run out of new challenges. Each game is different, keeping the experience fresh and exciting every time you play.
Hints and Assistance:
If you're stuck on a puzzle, use the hint feature to receive helpful suggestions for your next move. The game can also check for errors and highlight mistakes, making it easier to learn and improve your skills.
Intuitive Interface and Controls:
The game features a clean and user-friendly interface that makes it easy to input numbers, erase mistakes, and take notes directly on the grid. The smooth touch controls allow for a seamless and enjoyable gaming experience.
Note-Taking Feature:
Use the note-taking feature to jot down possible numbers in each cell. This helps you keep track of potential solutions and aids in the elimination process as you work through the puzzle.
Timer and Statistics:
Track your progress with the built-in timer and view your game statistics to see how fast you're improving. You can compare your solving times across different difficulty levels and aim to set new personal bests.
Daily Puzzles and Challenges:
Take on daily Sudoku challenges for extra rewards and achievements. These daily puzzles provide an additional incentive to play regularly and improve your skills.
Offline Play Available:
You can play Sudoku offline, making it perfect for passing the time while traveling, commuting, or simply relaxing without needing an internet connection.
Screenshots
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How to play:
The objective of Sudoku is to fill the 9x9 grid with digits so that each column, row, and 3x3 subgrid (also known as "boxes") contains the numbers 1 through 9 exactly once. At the start of the game, some numbers are already placed on the grid, and it's up to you to fill in the remaining empty cells using logic and deduction.
To solve a Sudoku puzzle, follow these steps:
Scan the Rows, Columns, and Subgrids:
Look at the numbers already filled in the grid and scan the rows, columns, and 3x3 subgrids for missing numbers. Begin by focusing on areas where only a few numbers are missing to quickly eliminate possibilities.
Use Process of Elimination:
For each empty cell, think about which numbers could fit without violating the rule that each row, column, and subgrid must contain the digits 1-9 exactly once. Eliminate numbers that already appear in the same row, column, or subgrid.
Use the Note Feature:
If you're unsure about a specific cell, use the note feature to write down all possible candidates for that cell. As you fill in other cells, you can gradually eliminate candidates and narrow down the correct answer.
Work Through the Grid Systematically:
Continue to work through the grid, focusing on solving one section at a time. As you complete more cells, the puzzle will become easier, with fewer possibilities remaining for the remaining cells.
Look for Hidden and Naked Singles:
When only one number fits in a specific row, column, or subgrid, it's called a "naked single," and you can confidently place that number. "Hidden singles" occur when a number can only fit in one spot within a subgrid, even though other possibilities are present in the same row or column.
Check for Mistakes:
If you're stuck, review your work for errors or contradictions. Use the error-checking feature to ensure you haven't placed any numbers incorrectly, which could help you find the right solution.
Complete the Puzzle:
Continue filling in numbers until the grid is complete, ensuring that every row, column, and subgrid contains the numbers 1 through 9 without repetition. Once the puzzle is solved, you'll have the satisfaction of completing a challenging mental task!
With unlimited puzzles, varying levels of difficulty, and intuitive controls, Sudoku is the ultimate game for puzzle lovers looking to challenge themselves and improve their logical thinking. Enjoy hours of brain-boosting fun with this timeless number puzzle.