KenKen
Fill rows & columns, no digit repeats, hit every cage target.
About the Puzzle
Fill each row/column with numbers 1–N, no repeats (like Sudoku). The grid is divided into bold-outlined ‘cages,’ each showing a target number and an operation. Numbers in a cage must combine, in any order, using that operation to hit the target. A number can repeat within a cage only if it's not in the same row/column. Start with single-cell cages, then work outward.
110 Puzzles
Frequently asked questions
KenKen is tagged for Grades 1-12. Puzzles within it get harder as your child improves.
110 KenKen puzzles, each a fresh layout of the same rules.
No: KenKen plays directly in the browser, right on this page. No login, no download.
KenKen requires combining numbers with all four operations to hit a target while respecting row/column uniqueness.