Small 4 × 4 Kakuro puzzles for beginners — short runs, friendly clues, solved in a few minutes. Free to play, no signup.

6 × 6 Kakuro puzzles — the everyday casual size. Longer runs, more crossings, still a quick solve. Free online, works on mobile.

8 × 8 Kakuro puzzles — the classic daily size. Deeper deductions, min/max bounding, real crossings. Free unlimited play online.

9 × 9 Kakuro puzzles for experienced solvers — long runs up to nine cells, layered eliminations, unique logical solutions throughout.

Large 9 × 11 Kakuro puzzles — our biggest boards. Long interlocking runs and multi-step logic for solvers who want a full session.