Nintendo doesn't control the servers, smileBoom does. Its M-rated, huh... Well... 1)If there's nothing sexual or offensive in it 2)If there's no copyrighted material(not mechanics) That's 2 reasons why a program might be exiled. But then again you can just make it for your own personal enjoyment. Also go to petit proffesor 3d on youtube and learn from him, don't have to copy him, (cont.)