As the story goes, Magic Castle was created by two independent developers in the late 90s using the Net Yaroze platform, a development kit for the original PlayStation.
https://www.techspot.com/news/88171-unfinished-ps1-game-magic-castle-launches-more-than.html?utm_source=dlvr.it&utm_medium=blogger
https://www.techspot.com/news/88171-unfinished-ps1-game-magic-castle-launches-more-than.html?utm_source=dlvr.it&utm_medium=blogger