Shadow Hearts (shadouhaatsu, Shadō Hātsu) is the role-playing video game series, its consisting of a trilogy of titles for PlayStation 2, and its predecessor called Koudelka for the PlayStation. The entire series was developed by Sacnoth (later Nautilus); and Koudelka was published by SNK, and also the Shadow Hearts trilogy published by Aruze from 2001 to 2005. In worldwide, 2 series published by Midway Games, while the last Shadow Hearts games published by Xseed Games and Ghostlight in Europe.
The series was also included in Chaos Wars, released in 2006 in Japan and 2008 in North America.