How do you unlock the different advance modes in DDR Supernova?

Question

I've got everysong aside from Fascination Max (~luv mix~) from earning every regular VIP card and every VIP ex card. But I still haven't got any of the advance modes like Combo mode. (which was a favourite in extreme 2) I've asked alot of people, searched google and read through the few Walkthroughs I found and nothing about them at all. Has anyone figured it out yet?

Answer 1

Well, I don't know. But I know this from Extreme 2: To get all advandced modes (Nonstop [Oni and Regular], Endless, Survival, and Combo Challenge [Sudden Death]), you have to get all of the songs entirely. Then, go to the shop, then buy them with the cash you got.

This is just a guess.