Free Daily Puzzle: Hidoku 9×9 (0035)

Hidoku is a logic puzzle played on a 9×9 grid.

• Fill the grid with the numbers 1–81 to form one continuous chain.

• Consecutive numbers must touch adjacent cells, including diagonals.

  • So each number k must be next to k−1 and k+1 (except 1 and 81).

• Given numbers are fixed clues.

The puzzle has a unique solution and is solved using logic alone.