Crypton is such a party pooper. Just because they created Hatsune Miku and own her ass, they think they're the only ones allowed to have their way with her. Well, technically, that's about right. But still, unlike other companies whose loli idols are free to be (miss-)used in fan-made games, Crypton is decidedly opposed to such preposterous things. And to make their point, they ordered some doujin circles (Ejin kenkyuusho and Murder koubou) to stop distributing their doujin game, Tatakae! Ore no Hatsune Miku. Nevermind that the game is perfectly safe for work and doesn't contain any ero scenes; they just don't allow any doujin games based on Hatsune Miku, no matter what. Boo!