Haboku(2026)

Description

Haboku is a Kakuro (cross sums) puzzle game. The player fills white cells with the digits 1 to 9 so that every run adds up to its clue, with no digit repeated in a run. Every puzzle is generated on the device, proved to have exactly one solution, and graded from Learning to Insane by the reasoning it needs. It has a puzzle of the day, cur...