
I believe I best just copy-paste the article from Revolution Report.
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Natsume Developing Nintendo Revolution Titleby Shawn White (03/03/06) Speaking to gaming site IGN, a representative for publisher Natsume confirmed that one of the studios it publishes for is working on a game for Nintendo's next-generation console, code-named the Nintendo Revolution.
No details regarding the game's name, genre or release date were announced. The Natsume representative mentioned that it will be shown at E3 2006, but only behind closed doors, meaning only to select members of the press.
Natsume is best known as the North American publisher of the Harvest Moon series, which has enjoyed a number of iterations spanning virtually every Nintendo console since the Super Nintendo. Although a new Harvest Moon game for Revolution seems like a plausible candidate for this new unnamed title, it could very well be an original project.
Revolution Report will have more details on upcoming Revolution projects as they become available.
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What is this mystery game... or what
Should it be?
Ladies and germs, the answer is simple (Alex, you know where this is going...) :

Click on the picutre for a giant version. Do it, It's awesome to me.
Or... it could be a Harvest moon...