description Futoshiki Overview
Futoshiki is a logic puzzle played on a square grid in which numbers must be placed so that each number appears once in every row and column. Inequality signs between selected cells add constraints such as greater-than or less-than relationships. Solvers use deduction to determine the only arrangement consistent with all row, column, and inequality rules, making the puzzle suitable for people who enjoy structured numerical reasoning.
help Futoshiki FAQ
How do you solve Futoshiki?
Place numbers so each number appears once in every row and column, then use the inequality signs to narrow the possibilities. Solvers combine ordinary row and column logic with greater-than and less-than constraints.
What do the inequality signs mean in Futoshiki?
A sign between two cells tells you which value must be larger or smaller. For example, a greater-than sign means the cell on its open side must contain the higher number.
Is Futoshiki similar to Sudoku?
It shares the rule that numbers cannot repeat within a row or column. Unlike standard Sudoku, Futoshiki uses inequality clues on a square grid instead of nine-box regions.
What grid sizes can Futoshiki use?
Futoshiki is played on a square grid, with the allowed numbers matching the grid dimension. A 5-by-5 puzzle, for example, uses numbers 1 through 5 in each row and column.
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