Futoshiki
A Latin square with greater-than and less-than signs.
About Futoshiki
Futoshiki is a Japanese number puzzle: fill the grid so every row and column uses each number once, while obeying the < and > signs between neighbouring cells. Signs pointing up or down work the same way between rows. Play free 4×4, 5×5 and 6×6 puzzles in three difficulties, with pencil notes, undo and hints.
How to play Futoshiki
- Fill each row and column with the numbers 1 to N, once each.
- Every sign must hold: the small end points to the smaller number.
- Use notes to track candidates.
- Fill the whole grid correctly to win.
Tips and strategy
- A cell that is smaller than a neighbour can't be the largest number.
- Chains of signs (a < b < c) push numbers to the edges fast.
- When a number fits in only one cell of a row, place it.
Futoshiki FAQ
Does every puzzle have one answer?
Yes. Each puzzle is generated fresh and checked by a solver, so there is exactly one solution and you never need to guess.
Is Futoshiki free to play?
Yes. Futoshiki is free in your browser on OFF PLAY, with nothing to download or install.
Find more logic & brain games, browse all free games or check the leaderboards.
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