Free KenKen puzzles: choose your next challenge

Yes. Open practice, choose a grid size and start playing in your browser. You do not need to register for practice.

Try 3×3 to learn the rules or 4×4 for a little more deduction. Larger grids up to 12×12 are available when you want a longer challenge.

Both use numbers without repeats in rows and columns. KenKen also has outlined groups with arithmetic clues: their numbers must combine to make the target.