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You might want to try the newest Castlevania 3DN file in the repository. Assuming that it's the exact same game except for the title screen I'd be willing to bet that most of the work would show up on Akumajo Dracula as well. Obviously it would be different than your file was, but you could run through and tweak things and re-release it if you wanted to. Obviously you'd have to re-do the title screen and any levels that weren't completed too, but you wouldn't have to start from scratch if it works.