Unlock 4th Dimension Difficulty 
     Collect 70% of the Battle Collection.

Unlock Cave Of Trials Dungeon 
     Beat  the game, and a special bonus 10 stage boss dungeon will be
unlocked.

Unlock Full Auto Mode 
     Complete 95% or more of the Battle Collection.

Unlock Music Test 
     Complete 60% or more of the Battle Collection.

Unlock Universe Difficulty 
     Complete 30% or more of the Battle Collection.