Welcome to KENKEN! No matter what you're looking for — learning or fun — KenKen.com has it! Free online puzzles. Cool math games. Number games. (More addictive than Sudoku or Kakuro? You decide!) Educational games for kids.

Rules For Playing KenKen® The numbers you use in a KenKen puzzle depends on the size of the puzzle grid you choose. A 4 x 4 grid (4 squares across, 4 squares down) means you use the numbers 1, 2, 3 and 4.

Welcome to KENKEN! No matter what you're looking for — learning or fun — KenKen.com has it! Free online puzzles. Cool math games. Number games. (More addictive than Sudoku or Kakuro? You decide!) Educational games for kids.

By altering the size of a KENKEN grid, from 3 x 3 up to 9 x 9, and employing different combinations of the math operations, five different difficulty levels can be generated, and a seemingly endless number of puzzles.

Welcome to KENKEN! No matter what you're looking for — learning or fun — KenKen.com has it! Free online puzzles. Cool math games. Number games. (More addictive than Sudoku or Kakuro? You decide!) Educational games for kids.

Free online puzzles. Cool math games. Number games. (More addictive than Sudoku or Kakuro? You decide!) Educational games for kids. Visit our For Teachers section for math teacher resources, our free KenKen Classroom program, and a message from Tetsuya Miyamoto, the Japanese educator behind KenKen.

Welcome to KENKEN! No matter what you're looking for — learning or fun — KenKen.com has it! Free online puzzles. Cool math games. Number games. (More addictive than Sudoku or Kakuro? You decide!) Educational games for kids.

Register now to receive free special monthly sets of NoOp puzzles PLUS printable one-of-a-kind handcrafted KenKen puzzles!

Do I need math skills to solve KENKEN puzzles? You don’t need to know the quadratic equation or be able to solve the Riemann hypothesis, but yes, basic math is involved. You’ll need addition, subtraction, multiplication, and division.

Whether you're looking for a quick brain teaser or an intricate problem-solving challenge, our collection of KenKen math puzzle games provides a perfect blend of entertainment and educational value. Come and play our Daily Challenge with puzzle grids ranging from 3x3 for beginners and 9x9 for experts.