Heyawake is a binary-determination logic puzzle published by what Japanese publisher that specializes in games, and especially, logic puzzles?
Nikoli (publisher) Nikoli Co., Ltd. (Japanese: 株式会社ニコリ , Hepburn: Kabushiki-gaisha , Nikori) is a Japanese publisher that specializes in games and, especially, logic puzzles. "Nikoli" is also the nickname of a quarterly magazine (whose full name is "Puzzle Communication Nikoli") issued by the company in Tokyo. "Nikoli" was established in 1980 and became prominent worldwide with the popularity of "Sudoku".
Sora Ltd. Sora Ltd. (有限会社ソラ , Yūgen kaisha sora ) is a Japanese video game developer founded by Masahiro Sakurai, a former employee of HAL Laboratory. The company was notable for developing "Super Smash Bros." video games and "Meteos". Its division, Project Sora, developed "".