ML wrote:
Thanks for that Mint. I'm going to work hard.
As mentioned, this is supposed to be a major project for university. That's why, I'm thinking of delivering it in more than one medium. So, we'll have the game itself. Then I'm also thinking of producing perhaps an original soundtrack, and/or a drama CD, etc etc. Has anyone got more ideas? I would appreciate any suggestions. Thanks

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You must make a Limited Edition Tin collection that contains the game CD, the original soundtrack music CD, the drama CD, a small plushie doll or sock puppet, some trinket like a necklace.
Also, make an Official Artbook that contains all the production sketches and hi-res scans of the art, you can package it with the LE Tin or not.
Now, if you really have time, you can take the Flash Animation and work on it some more so you can export a mini-OVA and put it on a special DVD that goes with the LE Tin.
You can also include a PDF where you can print out and cut out paper dolls of your characters, which can be assembled.
And if you have money, you can commission a PVC mold of your characters.
Of course, I am going overboard here in standard bishoujo game marketing machine tactics, but some items are actually doable from a university student's perspective.