To commemorate the release of "Castle of Shikigami III", a special edition containing three Nintendo Switch versions from the "Castle of Shikigami" series is released. This product includes for the first time the Nintendo Switch version of "Castle of Shikigami", which is otherwise available only digitally, making it ideal for permanent preservation. The storage box contains three cartridge games along with three soundtrack CDs and a guidebook. The package box features newly illustrated artwork by series character designer Mirai Sonoda. Included item one is Nintendo Switch software packages for "Castle of Shikigami", "Castle of Shikigami II", and "Castle of Shikigami III". Included item two is a three disc original soundtrack CD set. The "Castle of Shikigami II" soundtrack uses the arranged sound source version rather than the NAOMI version. The "Castle of Shikigami III" soundtrack CD includes one arranged bonus track by Yoichi Shimada. Included item three is a full color booklet titled "Castle of Shikigami Series Player Guidebook". Number of players is one to two. CERO age rating is subject to change.