Free Futoshiki Maker
Free Futoshiki Puzzle Maker
Create inequality number puzzles with logic constraints
Futoshiki is a Latin square logic puzzle where you fill a grid with numbers so that each row and column contains every number exactly once — with the added twist of greater-than and less-than constraints between adjacent cells. Our generator creates unique futoshiki puzzles in three sizes with guaranteed single solutions. Download printable PDFs with clear inequality symbols and complete answer keys.
Why use Puzzone
Logic + Comparison
Combines Latin square placement with inequality constraints for an extra layer of logical deduction.
Three Sizes
4×4 for beginners, 5×5 for intermediate, and 6×6 for advanced solvers.
Clean Presentation
Inequality symbols (< >) are clearly displayed between cells so the puzzle is easy to read and solve.
Printable with Answers
Download PDFs with the empty puzzle and a solution page showing all numbers filled in.
How it works
Choose Size
Pick 4×4, 5×5, or 6×6. Larger grids have more numbers and constraints.
Generate Puzzle
Click Generate to create a unique futoshiki with a guaranteed single solution.
Download PDF
Export a PDF with the puzzle and answer key. Print and solve!
Frequently asked questions
Futoshiki is a number puzzle where you fill a grid so each row and column contains every number exactly once (like sudoku rows). Additionally, greater-than/less-than symbols between cells must be satisfied.