Killer Sudoku

Killer Sudoku: For the extreme Sudoku lovers: Killer Sudoku. Normal Sudoku rules + 1 extra rule: 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. Tip: the total value of all numbers in a 3x3 box is always 45. A Sudoku game.

How do I even get started on this Killer Sudoku? : r/sudoku

Extreme difficulty (maybe unsolvable?) killer sudoku : r/sudoku

killer-sudoku · GitHub Topics · GitHub

Printable Killer Sudoku

Killer sudoku Facts for Kids

Killer Sudoku Adult Puzzle Book: 500 Easy to Hard : Keep Your Brain Young (Logical Brain Games Series) - Alzamili, Dr. Khalid: 9789922636863 - AbeBooks

Observer killer sudoku Sudoku printable, Sudoku, Hard puzzles

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