Shinseisha (新声社, Shinseishiya) Co., Ltd. was a Japanese publisher founded in 1971 and who filed for bankruptcy in 1999. It originally published learning reference books, but it is more known for its 1986 arcade game magazine Gamest (ゲーメスト, Gēmesuto). The representative was Hiroshi Kato. The company's capital was 10 million yen. Major subsidiaries of Shinseisha were Marugeya Ltd. (株式会社マルゲ屋, Kabushikigaisha maruge-ya) and Shinkoe Publishing Ltd. (株式会社新声パブリッシング, Kabushikigaisha shinsei paburisshingu).^[1]