Play Killer Sudoku Online - Free!
Welcome to Killer Sudoku, an exciting variant that combines classic Sudoku with mathematical challenges. Also known as Sum Sudoku, this puzzle adds an extra layer of complexity with cage constraints and sum requirements.
What is Killer Sudoku?
Killer Sudoku follows all the traditional Sudoku rules, but adds "cages" - groups of cells with a sum target. Each cage must contain unique digits that add up to the specified sum. This combination of logic and arithmetic makes Killer Sudoku a thrilling challenge for puzzle enthusiasts.
How to Play Killer Sudoku
Fill the grid so that each row, column, and 3×3 box contains digits 1-9. Additionally, ensure that the sum of digits in each cage equals the cage's target number, with no repeated digits within a cage. Master both logical deduction and mental math to solve these challenging puzzles.