Heyawake is a binary-determination logic puzzle published by what Japanese publisher that specializes in games, and especially, logic puzzles?
Heyawake Heyawake (Japanese: へやわけ, "divided rooms") is a binary-determination logic puzzle published by Nikoli. As of 2013, five books consisting entirely of "Heyawake" puzzles have been published by Nikoli. It first appeared in "Puzzle Communication Nikoli" #39 (September 1992).
Seiichi Ishii Seiichi Ishii (石井 精一 "Ishii Seiichi", born August 18, 1967) is a Japanese game designer. He is best known for the development of fighting games.