How do I patent this?

I've created a new kind of puzzle (since I won't say what it really is, think of it as a sudoku) that I would like to get patented. Since it isn't really an invention that serves a purpose, I was wondering if a regular patent would be the right thing, or if there was something else I would have to do... show more I've created a new kind of puzzle (since I won't say what it really is, think of it as a sudoku) that I would like to get patented. Since it isn't really an invention that serves a purpose, I was wondering if a regular patent would be the right thing, or if there was something else I would have to do instead. Either way, how do I get started?
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