Digital Hearts Co., Ltd.

Digital Hearts Co., Ltd. is a testing and quality assurance company that Nintendo and many other companies developed. They are based in Japan, but have offices in the United States, South Korea, and Thailand.

List of clients

 * Nintendo
 * Square Enix
 * Ubisoft
 * NIS America
 * Bandai Namco Entertainment
 * Disney Interactive Studios
 * Konami
 * D3Publisher

Games Worked on

 * List of games worked on by Digital Hearts

They are credited in most of Nintendo's recent games.