To unlock one of the Series' setlists on hard difficulty, clear that Series' three songs in the Challenge section on hard difficulty.
Unlockable Sub-characters:
Unlock the following sub-characters by collecting eight crystal fragments of the corresponding color:
SUB-CHARACTER - COLOR
Aerith from Final Fantasy 7 - Pink.
Ashe from Final Fantasy 12 - Crimson.
Cid from Final Fantasy 3 - Yellow.
Cosmos Final Fantasy Dissidia - Rainbow.
Faris from Final Fantasy 5 - Red.
Kain from Final Fantasy 4 - Navy Blue.
Locke from Final Fantasy 6 - Blue.
Minwu from Final Fantasy 2 - Silver.
Princess Sarah from Final Fantasy - Gold.
Prish from Final Fantasy 11 - Purple.
Rydia from Final Fantasy 4 - Emerald.
Seifer from Final Fantasy 8 - Grey.
Sephiroth from Final Fantasy 7 - Black.
Snow from Final Fantasy 13 - White.
5ivi from Final Fantasy 9 - Orange.
Yuuna from Final Fantasy 10 - Sapphire.
Unlockable Chaos Challenge Songs:
Unlock the following songs for the Chaos section of the Challenge series by collecting the corresponding amount of Rhythpo:
SONG - RHYTHPO
Battle 1 from Final Fantasy 4 (BMS) - 30,000 PTS.
Dungeon of the Giants from Final Fantasy (FMS) - 32,500 PTS.
Gurgu Volcano from Final Fantasy (FMS) - 27,500 PTS.
J-E-N-O-V-A from Final Fantasy 7 (BMS) - 40,000 PTS.
Mambo de Chocobo from Final Fantasy 5 (FMS) - 37,500 PTS.
Something to Protect from Final Fantasy 9 (FMS) - 45,000 PTS.
The Fierce Battle from Final Fantasy 6 (BMS) - 35,000 PTS.
The Last Day from Final Fantasy 7 (FMS) - 42,500 PTS.
Unlockable Encore Challenge Songs:
Unlock the following songs for the Encore section of the Challenge series by collecting the corresponding amount of Rhythpo:
SONG - RHYTHPO
Dancing Mad from Final Fantasy 6 (BMS) - 10,000 PTS.
Nakama wo Motomete from Final Fantasy 6 (FMS) - 25,000 PTS.
Senkou from Final Fantasy 13 (BMS) - 15,000 PTS.
Those Who Fight from Final Fantasy 7 (BMS) - 20,000 PTS.
