Shin Megami Tensei III: Nocturne[a] is a post-apocalyptic role-playing video game developed by Atlus for the PlayStation 2. It was published by Atlus in Japan and North America, and by Ghostlight in Europe. It is the third entry in the Shin Megami Tensei series, the central series in the Megami Tensei franchise. Multiple versions of the game have been published: the original version was published in Japan by Atlus in 2003, while a director's cut was released in 2004 in Japan. The director's cut was localized and released in North America in 2004 as Shin Megami Tensei: Nocturne and in Europe in 2005 as Shin Megami Tensei: Lucifer's Call. A high-definition remaster was released for the Nintendo Switch and PlayStation 4 in Japan in 2020, and is planned for an international release in 2021 on those consoles and Microsoft Windows.