Sudoku

Sudoku, a number puzzle, became popular in Japan in the mid 1980s and an international sensation around 2005. Published in newspapers, magazines and books, the game boils down to a 3 by 3 mini-grid…

Sudoku games exploded in popularity back in 2005. The "Times of London" started printing sudoku in 2004, and according to CNN, by 2005 more than 140 newspapers were carrying the sudoku puzzles. The…

Sudoku is a puzzle game that involves filling in grids with single digit numbers. Each puzzle has 81 cells in a 9-by-9 grid. Each row, column and individual 3-by-3 grid (located within the overall…

An xy-wing is an advanced technique for solving very difficult Sudoku puzzles. The xy-wing technique allows you to eliminate options in cells and can help to break up a very difficult puzzle. It…

Sudoku is a problem-solving game that involves aligning numbers to form rows, columns and groups of 10. Compared to many other games, Sudoku has a small number of strategies. That said, knowing how to…

When you have mastered the basic Sudoku puzzle, it is time to move up to the intermediate and more difficult puzzles. Top Sudoku players and competitors have developed tips and techniques to use when…

Sudoku describes a puzzle game in which players must plug numbers into a nine by nine grid. Each row, column and three by three box contains each of the numbers, one through nine. There can never be a…

Sudoku is a logic puzzle game played on a grid of boxes made up of nine rows and nine columns. This grid is also divided into nine square regions, with each square containing nine boxes. Numbers are…

Sudoku is a Japanese game that has a 3 by 3 board of "blocks" where each block is a 3 by 3 grid of squares just big enough to hold a single digit. The point of the game is to fill in all the squares…

Sudoku is a mental puzzle that involves a series of number analysis in order to fill in empty boxes with the correct number. Solving Sudoku puzzles utilizes a few specific methods such as scanning for…

Sudoku puzzles are a fun activity for the whole family, and range in difficulty from easy to hard. Most are given a star rating from one to five, one being the easiest and five being the most…

Sudoku is a popular number and logic puzzle. Its ubiquity has given rise to several different sudoku-style "spin-offs" designed to provide puzzle fans with more variety and challenge. The spin-offs…

Addition, as in counting out change during a purchase, is the most common mathematical activity a person performs. It is a nearly unconscious process for most persons. For example, choosing coins that…

Sudoku is a puzzle game with a nine-square by nine-square grid that has numbers inside some of the squares, while other squares are left blank by the puzzle-maker. To solve the puzzle, fill in the…

Sudoku is a logic-based numbers puzzle involving a grid nine squares wide by nine squares high with nine 3X3 sub-grids where the objective is to place numbers 1 through 9 so that none of the numbers…

Sudoku is a type of puzzle game where players have to fill in a grid filled with numbers. The numbers in all the columns must not be repeated, and the numbers in the rows must also not be repeated.…

Sudoku puzzles originated in America and Europe, but they got their name from the Japanese words "su" and "doku," which mean numbers in a single place on the board. These words spell out the…

According to "The Sunday Times," the Japanese game of Sudoku can stimulate specific types of brain activity, helping to keep your mind spry and alert. Playing the number solitaire requires attention…

Sudoku is a number puzzle made up of a square grid of nine blocks, each containing its own nine-square grid. Players follow the laws of sudoku to fill each nine-square grid with the numbers1 through…

Sudoku is a logic puzzle made up of nine boxes of nine squares. Each square must be contain a numeral from 1 to 9, and no square, row or column can contain the same number twice. Sudoku puzzles can be…

Sudoku is a game of strategy, demanding logical analysis to solve the puzzle, as each Sudoku puzzle has one unique solution. The puzzle appears on a 9-by-9 grid comprised of nine 3-by-3 boxes, made up…

Sudoku, a numerical logic-based puzzle, is commonly found in Sudoku-themed books, on the games page of newspapers or on online games sites. In Sudoku, players must fill a nine-by-nine grid with…

Sudoku is a number puzzle based on a nine-by-nine grid divided by three-by-three blocks. Each block contains cells for the numbers one through nine, with some already filled in. The goal is to fill in…

Sudoku is a puzzle played on a nine-by-nine grid, which contains certain numbers already filled in. The goal of the game is to fill in the remaining numbers so that each column, row and block contains…

Sudoku is a puzzle game in which each column, row and three-square by three-square grid must have the numbers one through nine without duplicates in order to be solved. Players use existing numbers to…

Sudoku is a puzzle game containing the numbers one through nine. Every sudoku board is created on a grid with rows that are nine spaces across and columns that are nine spaces down. Additionally, the…

In Sudoku, a logic-based puzzle originally from Japan, the player aims to solve the puzzle by inserting "candidates," or logical number selections, into the proper cell to meet certain conditions. All…

The joy of cube puzzles is in the journey it takes to solve them. While solutions are readily available in print and online, there's a sense of achievement that comes from solving a cube puzzle on…

The goal of the sudoku is to place a number in each of the 81 boxes, or cells, so that every vertical column, horizontal row and nine-cell square contains each of the digits from 1 to 9. Some cells in…

Sudoku is a puzzle game in which you must fill in the blanks with numbers to solve the puzzle. Each puzzle has some preprinted numbers to get you started. In each row, column and 3-by-3 box you must…

The Sudoku Cube combines the color-matching of the Rubik's Cube with the number-arranging of the game Sudoku. In a Sudoku Cube, the player attempts to arrange the digits 1-9 on each of the six faces…

Puzzle solvers who have conquered the traditional Sudoku puzzle can find a renewed challenge in Samurai Sudoku, a variation that connects five separate Sudoku puzzles into one mindboggling test.…

Sudoku puzzles are fun and challenging brain teasers based on number patterns. Creating your own Sudoku puzzles makes for a family-fun activity with the kids, an educational game for students or a…

Sudoku is a graphical logic puzzle in which the solver must place the digits from 1 through 9 into empty boxes according to certain rules. In a standard sudoku puzzle, a 9 by 9 grid is divided into…

Sudoku is a common fixture in newspapers and online game websites, including krazydad.com. This mathematic puzzle consists of nine boxes each containing nine smaller squares. Each of the smaller…

Sudoku is a logic-driven number puzzle that originated in Japan and became well-known in the U.S. in the 2000s. The object of sudoku is to fill in the missing numbers in a 9 by 9 grid so no number…

Squiggly sudoku is a variation on the traditional sudoku game. Most sudoko games are played on a square composed of nine boxes, each measuring three squares down and three squares across. With…

Sudoku is a popular Japanese puzzle in which you have to use logic to figure out where to place numbers in a 9-by-9 square without repeating any digit in a section, row, or column. Sudoku-16 is a…

Sudoku is a logic-based number puzzle. Each vertical and horizontal row, along with each nine-square block of the puzzle, contain one instance of the numbers 1 through 9. Each puzzle shows you only a…

Sudoku is an addictive logic-based numbers game popularized by the Japanese. The game board consists of nine boxes, each with nine squares, strung three across and three down. The numbers 1 through 9…

The game of sudoku is a single-player number puzzle in which the player attempts to fill in a grid of numbers and blank squares with the correct numbers. The numbers 1 through 9 must appear once, but…

Electronic sudoku offers all the joys and challenges of pen and paper sudoku without the hassles of smudging, erasing and pencil sharpening. Handheld sudoku games, free internet puzzles and sudoku…

A traditional sudoku puzzle features a nine square by nine square grid in which you place the digits from 1 to 9 in the boxes so that each column, row and three-by-three box contains each digit. A…

Sudoku is a popular diversion for millions around the world. Found in daily editions of most major city newspapers, on Internet sites, in puzzle books and in handheld game formats, Sudoku certainly…

Sudoku is a game of logic and numbers, not math. Players are typically given a 9-by-9 grid (although different puzzle sizes are available) with some of the boxes empty and some of the boxes filled…

Sudoku is a puzzle game in which you have a nine-by-nine grid separated into three-by-three sections called “regions.” Some numbers are filled into their places, but it’s up to you…

Sudoku is a puzzle game that can be simple or challenging, depending on the Sudoku level of difficulty. Solving the puzzle is a great way to give your brain a workout. The problem that can arise with…

Solving a sudoku puzzle is not as complicated as it looks. However, some people get caught up solving sudoku puzzles by guessing the missing numbers, then checking to see if the guess is right. The…

Sudoku is a puzzle game comprised of a 9-by-9-cell grid with 9 rows and 9 columns, which is further divided into nine 3-by-3-cell minor squares. The game has one simple rule: the digits 1 through 9…

Killer Sudoku is a logic game created from the combination of Sudoku and Kakuro. In Kakuro players must fill in a crossword-like puzzle knowing only the sums of the lines in the puzzle. In Sudoku…

Sudoku puzzles test logic, intuition and patience and often even frustrate an avid solver. The different levels of Sudoku range from easy to diabolical, yet finishing any type of puzzle requires the…

Sudoku is a fun and addicting game that is solved using logic and deduction. The objective of the game is to fill each row, column and 3x3 subsection of the 9x9 grid with the numbers 1 to 9 in any…

A samurai Sudoku puzzle consists of five overlapping Sudoku grids. It follows the same rules as a regular Sudoku, but you have to make sure the other five Sudoku puzzles, including the overlapping…

Sudoku puzzles have exploded in popularity in the 2000s, appearing in more and more newspapers and airport bookstores. To complete a Sudoku puzzle, players must fill the puzzle with numbers so that…

Sudoku is a game of grids and numbers, requiring that you fill in a nine-by-nine grid so that each three-by-three section, row and column features the numbers 1 through 9 once only. Sudoku is not a…

Sudoku is actually solvable with a specific mathematical algorithm designed by mathematician, James Crook. The puzzle itself has been a staple in the puzzle sections of some newspapers and magazines…

Sudoku is rooted in the mathematical concept of Latin Squares, invented in 1793 by Leonhard Euler, a Swiss mathematician. In 1979, a game called Number Place appeared in the US. The game was…

Super Sudoku is a variation on Sudoku with 16 four-by-four squares instead of nine three-by-three squares. Solving a Super Sudoku puzzle is basically the same as solving a regular Sudoku puzzle, but…

Sudoku, the number game that requires no calculation, is very popular these days, and it can be found in newspapers, books and online. Traditionally, Sudoku players must fill a 9-by-9 box with the…

Sudoku is a puzzle that involves placing the numbers 1 through 9 into a grid. You can find sudoku puzzles in the newspaper and in complete books of sudoku. You can also play sudoku online or in video…

Some people seem to have an intuitive grasp of how to solve a challenging sudoku. For the rest of us, the systematic application of a few strategies regarding the relationships between the squares can…

Sudoku puzzles have become increasingly popular in the United States, with books of them paired up with crossword books at many bookstores. While puzzles can vary greatly in size and difficulty, there…

Sudoku is a great numbers game, but gets challenging as you progress. Here is a method of playing a complete Sudoku game.

Sudoku Quest is an online version of the classic Japanese number puzzle game. It is played the same way as the pen-and-paper version, with the exception that you can check your answers to see if you…

Cross hatching, also called hidden single, is an easy strategy you can use to solve for specific numbers in a Sudoku puzzle. As you solve for more numbers, cross hatching becomes more effective in…

Ancient Sudoku is among the many brain-teasing games available at the Sudoku website. The game offers many levels from beginner to advanced. If you're looking for something fun, yet challenging, try…

Sudoku, a Japanese puzzle that involves entering single-digit numbers in a 9-by-9 grid, is becoming increasingly popular throughout the tournament circuit. By following the guidelines of the U.S.…

Sudoku, which is the Japanese word for "single number," is a popular type of puzzle for which you need to enter single digits on a 9-by-9 grid, so that the numbers 1 through 9 appear exactly once on…

Sudoku is a logic-based puzzle. The popularity of sudoku in recent years has spawned a number of variants to the classic puzzle. Variants can include a larger grid, additional restrictions or those…

Sudoku puzzles are grid-based number games that require logic and patience. Traditional puzzles allow you to place numbers 1 through 9 into columns, rows and boxes in order to solve them, but there…

Sudoku puzzles require you to fill in cells with the digits 1 through 9. Each row, column and box contain only one of each number. Using the single candidate technique to solve puzzles is a way to…

Sudoku puzzles are numbers puzzles that require you to fill in cells with the digits 1 through 9. Each row, column and box contain only one of each number, and you can use many different strategies to…

Solving difficult numbers in sudoku is a process of elimination. By figuring out which numbers cannot fill a square, you narrow your options. Memorizing this method will help you fill in difficult…

Sudoku has taken the world by storm. Every where you turn people are playing this strategic and sometimes quite challenging game. There are many online sites dedicated to the Sudoku game. There are…

Sudoku is a Japanese number game that has hit the rest of the world like a storm. Suddenly sudoku puzzles can be found everywhere--books, magazines and daily newspapers. You can even locate sudoku on…

As with most puzzles, sudoku is available in varying degrees of difficulty. The easiest puzzles are the traditional three-by-three grids with several numbers already filled in. From there, the…

Although sudoku was a popular game in Japan as early as 1986, it didn't explode on the international scene until nearly 20 years later. With sudoku websites and books cropping up everywhere, it's no…

A jigsaw sudoku, also known as an irregular sudoku, gets its name from the interesting shape of its individual grids. Unlike the boxy shape of traditional games, jigsaw sudoku looks very similar to a…

It's easy to miss the answers to last week's sudoku challenge in the newspaper, especially when you get distracted by the demands of everyday life. Staring at that completed or almost-finished puzzle…

Since sudoku doesn't rely on mathematics or special formulas, the development of logical strategies is vital to the game. At the heart of every sudoku strategy lies one of the three basic…

Sudoku is a puzzle that requires reasoning and logic to solve. They have only one way to solve them and they are quite fun and addictive. Teaching children to do Sudoku is a great way to enhance their…

Learning Sudoku can help exercise your brain and enhance your reasoning and logic skills. Sudoku is a puzzle that requires a lost of concentration to solve. The puzzles are very fun and satisfying to…

Sudoku puzzles appear in dedicated puzzle books or in your daily newspaper. When playing sudoku, you don't need to use arithmetic skills even though the game consists of numbers one through nine.…