Dance Dance Revolution SuperNOVA Cheats

Extra Stage Boss Songs in Normal Play
You have to be in Game mode to unlock the 'Boss Songs' used in Extra stage and on your last stage clear a song on Expert with a AA grade or higher to play the Extra stage. When you clear Extra stage you then play Encore Extra stage where you have to complete the Chaos song without making a mistake. Anything other than a 'Perfect' or 'Great' and it will immediately end. If you clear the Chaos song you can then purchase it in the shop.

Unlock MAX 300 (Super-Max-Me Mix):
Clear it on Extra Stage on Easy Song Sort with an A or higher

Unlock Healing-D-Vision:
With an A or higher clear it on Extra Stage on Medium Song Sort

Unlock Fascination MaxX:
With an A or higher clear it on Extra Stage on Hard Song Sort

Unlock Fascination-Eternal Love Mix:
With an A or higher clear it on Extra Stage on ALL Music Song Sort.

Unlock Chaos:
Clear the Encore Extra Stage with a full-combo