Sudoku - A Free Puzzle Game with Numbers that Tests Your Logic and Memory
Sudoku Free Classic Sudoku Puzzles APK: A Fun and Challenging Game for Your Brain
If you are looking for a game that can keep you entertained, challenge your mind, and improve your cognitive abilities, then you might want to try sudoku. Sudoku is a logic-based number-placement puzzle that has become one of the most popular games in the world. In this article, we will explain what sudoku is, how to play it, and introduce you to a free app that lets you enjoy thousands of sudoku puzzles on your Android device.
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How to Play Sudoku
Sudoku is played on a 9x9 grid that is divided into nine 3x3 subgrids or regions. The goal of the game is to fill in the grid with digits from 1 to 9 so that each row, column, and region contains each digit exactly once. The game starts with some cells already filled in with digits, and the difficulty level depends on how many cells are given and how they are distributed.
To solve a sudoku puzzle, you need to use logic and deduction to eliminate the impossible candidates for each cell. Here are some basic tips for beginners:
Start with the regions, rows, or columns that have more digits given. They will have fewer possibilities for the remaining cells.
Look for single candidates or naked singles. These are cells that have only one possible digit left after ruling out the other digits in their region, row, or column.
Use pencil marks or notes to keep track of the possible candidates for each cell. You can erase them later when you confirm a digit.
Don't guess or use trial and error. Sudoku is a game of logic, not luck. If you are stuck, try scanning the grid again or use more advanced techniques such as hidden singles, pairs, triples, etc.
Sudoku Free Classic Sudoku Puzzles APK
If you want to play sudoku on your Android device, you can download Sudoku Free Classic Sudoku Puzzles APK from Google Play Store. This app is developed by Easybrain, a leading mobile game developer that specializes in brain games and puzzles. The app has over 50 million downloads and 4.4 stars rating on Google Play Store.
With this app, you can enjoy more than 10,000 classic well-formed sudoku puzzles with different difficulty levels: easy, medium, hard, expert, and giant. You can also play daily challenges to earn trophies and seasonal events to win medals. The app has some features that make playing sudoku easier and more fun:
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Hints: If you need some help, you can use hints to reveal a digit or remove all incorrect digits.
Auto-check: You can turn on this option to see your mistakes as you go.
Highlight duplicates: You can highlight the repeated digits in a row, column, or region to avoid them.
Notes: You can make notes like you would on paper. The notes are automatically updated when you fill in a cell.
Themes: You can choose one of three appearances to customize your sudoku board.
Auto-save: You can resume your game anytime without losing your progress.
Benefits of Playing Sudoku
Playing sudoku is not only fun but also beneficial for your brain and well-being. Here are some of the benefits of playing sudoku regularly:
It improves your concentration and focus. You need to pay attention to the details and scan the grid carefully to solve sudoku puzzles.
It enhances your memory and recall. You need to remember the digits and their positions in the grid to eliminate the candidates.
It stimulates your logical thinking and problem-solving skills. You need to use logic and deduction to find the solutions for each cell.
It boosts your intellectual These are some of the advanced techniques for solving sudoku puzzles:
Hidden singles, pairs, triples, etc.: These are cells that have only one possible digit left after ruling out the other digits in their region, row, or column, but the digit is not obvious or visible. For example, if a region has only one cell that can contain 7, but 7 is also present in other cells in the same region, then that cell is a hidden single.
Naked pairs, triples, etc.: These are cells that have only two or three possible digits left, and they are the same for those cells. For example, if two cells in a row can only contain 4 or 5, then those cells are a naked pair. This means that 4 and 5 cannot appear in any other cell in that row.
X-wing, swordfish, jellyfish, etc.: These are patterns that involve two, three, or four rows or columns that have only two possible cells for a certain digit. For example, if two rows have only two cells that can contain 6, and those cells are in the same columns, then that is an X-wing. This means that 6 cannot appear in any other cell in those columns.
XY-wing, XYZ-wing, etc.: These are patterns that involve three cells that form a triangle shape and have only two or three possible digits each. For example, if a cell can only contain 1 or 2, another cell can only contain 2 or 3, and another cell can only contain 1 or 3, then that is an XY-wing. This means that the digit that is common to two of the cells (in this case, 2) cannot appear in any cell that sees all three cells.
Coloring: This is a technique that involves assigning colors to the possible candidates for a certain digit and then looking for contradictions or eliminations. For example, if you color all the cells that can contain 7 with red or blue alternately, and you find a region where two red cells see each other, then that is a contradiction and you can eliminate all the red cells.
Forcing chains: This is a technique that involves assuming a digit for a cell and then following the logical consequences until you find a contradiction or a confirmation. For example, if you assume that a cell contains 4 and then you find out that another cell must also contain 4, then that is a contradiction and you can eliminate 4 from the first cell.
How can I download Sudoku Free Classic Sudoku Puzzles APK?
To download Sudoku Free Classic Sudoku Puzzles APK on your Android device, you can follow these steps:
Go to Google Play Store and search for Sudoku Free Classic Sudoku Puzzles APK.
Select the app from the list of results and tap on Install.
Wait for the app to download and install on your device.
Open the app and enjoy playing sudoku puzzles.