About sudoku

Sudoku is a number-placement puzzle type of game based on Latin square. The player will try to fill the square with numbers so that each number only appears exactly once in every row and column. But with more restriction than Latin square, sudoku usually has more rules about how a number can only appear once in a certain area.

A typical and traditional sudoku is a 9×9 square with 9 3×3 square blocks inside. With some given numbers in the grid, typically there’s only one unique solution for that puzzle.

typical given sudoku


Nowaday there are variant kinds of sudoku, some is the combine of sudoku and other number puzzle games, and of course with more restrictions and rules.

Sudoku Cube

Stardust Sudoku


White Knight Sudoku (18 Knights)

Argyle Sudoku

Sum Line Sudoku

Cubic Sudoku

Sudoku Parquet


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