At the end of the credits, the game states: "Watch out next year for Beyond Dark Castle," but this planned release was dropped due to the announcement of Return to Dark Castle, which is a sequel to Beyond Dark Castle in full color, including all the levels from Dark Castle and Beyond Dark Castle.
The game's credits end with a message: "Watch out next year for Beyond Dark Castle," but this planned release was canceled due to the announcement of Return to Dark Castle, which is a sequel to Beyond Dark Castle in full color, including all levels from Dark Castle and Beyond Dark Castle.