8x8 Hard KenKen Puzzles

Take your problem-solving skills to the next level with our collection of hard-level 6x6 KenKen puzzles. Download and print these challenging brain teasers to sharpen your logic and math abilities. Perfect for puzzle lovers seeking a mental workout and hours of engaging fun.

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How to Play

  • Grid Size: Each row and each column must contain all the numbers from 1 up to 8.
  • No Repeats: No number can repeat within a row or column, similar to Sudoku.
  • Cages: The grid is divided into heavily outlined groups of cells, known as "cages". Each cage has a target number and a mathematical operation (+, −, ×, ÷) listed in the corner of one cell in the cage. The numbers in each box must add, subtract, multiply, or divide to match the target number shown.
  • Operation Rules: For addition and multiplication, the order of numbers doesn’t matter (i.e., 2 + 3 is the same as 3 + 2). For subtraction and division, order matters.

Need Help?

To get started, check out these detailed instructions, goals and rules for how to solve KenKen puzzles