Futoshiki

How to play

• Tap a cell to cycle through the numbers (1–n) and back to empty.
• Every row and column contains each number exactly once.
• Every inequality sign between two cells must hold (‹ › ∧ ∨ point at the smaller number).
• Every board has exactly one solution, machine-verified before publication.

A classic Japanese pencil puzzle in daily form. Sister puzzles: Gridlings.

FAQ

How do you play Futoshiki?

Fill the grid so every row and column contains each number exactly once while every inequality sign between neighboring cells holds. Tap a cell to cycle numbers, use the on-screen number pad, or type with your keyboard.

Is there a new Futoshiki puzzle every day?

Yes — a new daily board goes live at 00:00 UTC, the same board for every player worldwide, with streak tracking. Unlimited free play in three difficulties and a full archive of past dailies are also free, with no account and no ads.

Can Futoshiki be solved without guessing?

Yes. Every published board is machine-verified before release: a solver proves exactly one solution exists and is reachable by logical deduction, so there is always a provable next step.