Sounds epic... the idea sounds alot like AudioSurfs dodging bad beats... or the crazy Touhou music syncs
The only issue I would think is.... how would it still keep true to a rythmn game. Otherwise... you would have my vote...
If I could vote that is
Jsuk someone has a bullet hell based on music files already
http://tzai-entertainment.com/games/shmusicup/
But it's not as fun
A better version of it does exist... but it's all in Japanese (figures)
called Ryujin Plus or 四聖龍神録Plus
And yes it is Hare Hare Yukai
The only issue I would think is.... how would it still keep true to a rythmn game. Otherwise... you would have my vote...
If I could vote that is
Jsuk someone has a bullet hell based on music files already
http://tzai-entertainment.com/games/shmusicup/
But it's not as fun

A better version of it does exist... but it's all in Japanese (figures)
called Ryujin Plus or 四聖龍神録Plus
And yes it is Hare Hare Yukai
