Although French newspapers had some sort of Number Place puzzles in the 19th century, the modern Sudoku as we know it today was designed by a retired architect from Indiana. Unfortunately he did not live to see the widespread of his game gained in 1986 through Nikoli, a Japanese puzzle company: Number Place received a new name, Sudoku (meaning single number).

This logic game challenges the player to fill the 9×9 grid with numbers from 1 to 9 so that each line, row and 3×3 subgrids contain all digits from 1 to 9.
The puzzle already provides some numbers and the player has to fill in the rest.

There are other variations of Sudoku, like Killer Sudoku, Alphabetical Sudoku, Wordoku, “Quadratum latinum” (with Roman numbers) etc.


  • Original title: 数独sūdoku
  • Creator: Howard Garns
  • Place of creation: USA
  • Date of creation: 1979
  • Type of game: Logic game
  • Players: 1
  • Age: 7+
Sudoku set


Alexandra Potroghir (B.A., Modern Applied Languages, English/German) is an avid reader and, at the same time, an aspirant writer. She thinks that is really hard to write really good fantasy stories after Tolkien set such high standards for this genre. And yet this thing does not impede her from working hard to improve her style.

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