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).
Pack-In-Video Pack-In-Video (パック・イン・ビデオ , also Pack-In-Soft) was a Japanese video game publisher and developer. The games published were mostly focused on the Japanese market although a few titles have been published abroad. In October 1996 the company was merged with the video game division of Victor Entertainment and became Victor Interactive Software.