another idea for you
well one these games are not good to play when half asleep waiting for your class to start. i'm not sure exactly on the mechinics of flash but you can you may want to start relase versions with different skill levels and songs in them. like two or three songs togather.
oh and btw since i can't comment on your comment the from last time, its cool that your from japan but can you guys keep making final fantasies lol. please do not take that in any way as a slam against your culture its just i have heard rumors that after 12 is released no more and i've become addicted to them....... except X-2