Puzzle by Nikoli S Heyawake

Summary This is a progressive puzzle which you can comfortably enjoy working out using logic. "Heyawake" is a puzzle in which you fill in the spaces according to the rules. It's called "heyawake" ("split rooms") because the face of the board is divided into rooms. This puzzle first appeared in 1992, but a plethora of solutions have been develope... Read More