Free Printable Killer Sudoku Puzzles
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Killer Sudoku
Sudoku is played on a grid of 9 x 9 squares. Within the rows and columns are 9 boxes made up of 3 x 3 squares. Each row, column and box needs to contain the numbers 1 to 9, with no repeats.
The example below shows:
The top row containing the numbers 3, 6, 7, 4, 1, and 5. The missing numbers are 2, 8, and 9 as each row needs to contain the numbers 1 to 9, with no repeats.
The first column on the left, containing the numbers 3, 9, 4, 8, 2, 5 and 6. The missing numbers are 1, and 7 as each column needs to contain the numbers 1 to 9, with no repeats.
The top left box containing the numbers 3, 6, 7, 9, 1, 8, 4 and 2. The missing number is 5, as each box needs to contain the numbers 1 to 9, with no repeats.
Sudoku Example

Sudoku Example Solution

Killer Sudoku has an additional feature called cages.
A cage is a group of cells surrounded by a dashed line. The sum of the cells in a cage must equal the total given for the cage, and each digit in the cage must be unique.
Killer Sudoku Example

Killer Sudoku Example Solution
