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Killer sudoku is similar to the other levels in that each of the numbers 1-9 must fit into each 9-by-9 square. No number can ...

Play Kiplinger Sudoku for free every day. Try this easy Sudoku puzzle or if you fancy more of a challenge there's a hard Sudoku to tackle. There's a new easy Sudoku to play every day. When you ...

In Killer Sudoku, the digits in each inner shape (marked by dots) must add up to the number in the top corner of that box. No digit can be repeated within an inner shape, row, column or sub-grid.

Diagonal sudoku, for instance, requires that, in addition to completing each box with numbers from one to nine, you fill the grid’s diagonals with numbers from one to nine with no repetition.

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Sudoku is a logic-based number puzzle played on a 9x9 grid. The objective is to fill in the grid so that each row, column, and 3x3 box contains the numbers 1 to 9, without repeating any numbers.

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In Killer Sudoku, the digits in each inner shape (marked by dots) must add up to the number in the top corner of that box. No digit can be repeated within an inner shape, row, column or sub-grid.

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A Sudoku is a puzzle involving a 9x9 grid into which the numbers one to nine must be placed. The catch is that each row, column and 3x3 box has to contain each of the numbers one to nine once ...

The twist is that it also follows the rules of sudoku. This means that each of the six symbols appears in each row and column only once, turning Weather Memoku from a pure guessing game to one ...