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Magic Castle was planned to be released for the original PlayStation, and would have had a unique approach on an Action-JRPG, using its isometric view and castle exploration aspects as its prime selling points.
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However, the game was unfinished and stopped development after sending off its pitch to multiple publishers that sadly didn’t take on the project.
PIROWO, a team member on the initial project back in 1998, recently dug up source code that helped them to get the project into the hands of the people. There are 4 characters to play from, being a knight, wizard, hunter or archer, and unlockable missions for beating the game with all 4 or on hard mode.
The project is up for download here, with a developer interview also on the same page.
Credit for preview image goes to Bleeding Cool