Sudoku or “su doku” translates “number allotted” or “the number that is single” in Japanese. For how long has the puzzle existed? The recognized puzzle of Sudoku first arrived in a magazine called Nikoli in Japan in the late 1980s, having previously been published in the late 1970s by the New York puzzle magazine Math Problems and Logic Puzzles, published by Dell, under the title "Number Place". It may have originated from a game called Latin Squares or Magic Squares thought up by the Swiss mathematician, Leonhard Euler. He invented Magic Squares or “carrés magiques” in 1783. Magic Squares had fewer restrictions than Sudoku with no lines dividing the square. What are the rules of the game? The rules of the game simply require that the grid is completed with different numbers in every row, column and box. The existing numbers cannot be changed or moved. In a correctly formed Sudoku puzzle, there is one unique solution. Does it require knowledge of maths? No, Sudoku does not
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