History From La France newspaper, July 6, 1895: The puzzle instructions read, 'Use the numbers 1 to 9 nine times each to complete the grid in such a way that the horizontal, vertical, and two main diagonal lines all add up to the same total.' Predecessors newspaper, and then The Times (London), in 2004, thanks to the efforts of Wayne Gould, who devised a computer program to rapidly produce unique puzzles. However, the modern Sudoku only began to gain widespread popularity in 1986 when it was published by the Japanese puzzle company Nikoli under the name Sudoku, meaning 'single number'. The puzzle setter provides a partially completed grid, which for a well-posed puzzle has a single solution.įrench newspapers featured variations of the Sudoku puzzles in the 19th century, and the puzzle has appeared since 1979 in puzzle books under the name Number Place.

In classic Sudoku, the objective is to fill a 9 × 9 grid with digits so that each column, each row, and each of the nine 3 × 3 subgrids that compose the grid (also called 'boxes', 'blocks', or 'regions') contain all of the digits from 1 to 9. We promise that all our games will always be free.Sudoku ( / s uː ˈ d oʊ k uː, - ˈ d ɒ k-, s ə-/ Japanese: 数独, romanized: sūdoku, lit.'digit-single' originally called Number Place) is a logic-based, combinatorial number-placement puzzle. To give you guys the best gaming experience, we simply ask that you review the game for us. Share with your friends and ask them for a challenge to play and beat your score.Then add up all the candidates in each row and column to see whether the result matches or not. Therefore, it will be easier to find or reject some of them. The next step would be analyzing rows and columns whose sum has the lowest value since there will be statistically fewer possible combinations of three numbers that equal that value. For example, if you know that number 1 is the only candidate that matches in a cell, number 9 must go in the other and vice versa. This means that if you find one of the numbers you will also find the other one by elimination. Since odd candidates are only two, there would only be two cells for odd numbers in each Mini Sudoku. Therefore, these numbers can be found faster and more easily than the rest. Remember that being prime is a priority so prime numbers will never go in a box indicating even or odd).Ĭells with odd numbers will be the ones with fewer candidates: only two. 2, 3, 5, and 7 (the only prime numbers between 1 and 9).įor cells with even numbers: 4, 6, and 8 (number 2 is rejected because it is prime).įor cells with odd numbers: 1 and 9 (numbers 3, 5, and 7 are odd but they are also prime. Mathematical Mini Sudoku' goes as follows:įor cells with prime numbers: 1. The possible candidates according to the hint given in each cell and considering the explanation in the section 'About After that, the numbers that do not match should be rejected until finding the suitable ones. Then all the rows and columns should be analyzed taking into account the sums. Given that all the cells in Mini Sudoku are blank from the beginning, with no helping numbers, the only option to solve it is to consider the possible numbers or candidates that may go into each cell. If you can solve the puzzle without using a pencil and paper, that would be even better! Taking notes will make it easier for you to locate the answer. It is always logically deducible to deduce all of the numbers. This button is used for checking the solution and will show a message whether it is correct or not. Once you have filled the 9 cells you can click on the Check button that is under the Mini Sudoku grid. We will automatically delete any other characters. Each cell can only have a number from 1 to 9. Enter a number in the cells by clicking on them. Play with numbers with this Mini Sudoku puzzle gameĭo you enjoy playing with numbers? Sudoku is getting old for you, aren't you? We bring you this amazing Mini Sudoku puzzle game that will energize your mind.

Mini sudoku