Entertainment Software Publishing

Entertainment Software Publishing, Inc.
	ESP's former headquarters in Shibuya, Tokyo
Native name	株式会社エンターテインメントソフトウェアパブリッシング
Romanized name	Kabushiki-gaisha Entāteinmento Sofutō~ea Paburisshingu
Company type	Subsidiary
Industry	Video games
Founded	November 1997
Defunct	1 April 2010
Fate	Merged with D3 Publisher
Headquarters	Shibuya, Tokyo, Japan
Key people	Youichi Miyaji (president)
Products	Bangai-O series; Grandia; Ikaruga; Radiant Silvergun;
Parent	Game Arts (2002–2004); D3 Publisher (2004–2010);
Website	esp-web.co.jp (archived)

Entertainment Software Publishing, Inc.^[a] (ESP) was a Japanese video game publisher headquartered in Shibuya, Tokyo. It was founded in 1997 as a publisher for games developed by the Game Developers Network (GD-NET). GD-NET, which included companies such as Treasure and Game Arts, was established due to concerns over smaller developers not having the same financial backing like larger game companies did, as production of console games was beginning to rise. ESP was best known for publishing shoot 'em ups and role-playing games. While primarily a publisher, ESP also developed a handful of games internally.

ESP primarily published games for the Sega Saturn and Dreamcast. When both systems met their demise, the company started shifting operations towards consoles such as the PlayStation 2, PlayStation Portable, and Nintendo DS. ESP was purchased by Game Arts in 2002 and became its publishing division. In 2004, ESP was sold to D3 Publisher, which had noticed ESP's track record and lineup of well-received titles. ESP was merged with D3 Publisher and its parent company, D3 Inc., in 2010.

Many games that were published by ESP, including Grandia, Radiant Silvergun, and the Bangai-O series, have received praise from critics. Several have sold well and have been ranked among the best in their genres. In the past, ESP helped co-publish several Japanese massively multiplayer online video games, and also collaborated with other game companies on various projects.
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