Unlock all characters, cutscenes, and 9999 shop points:
At the title screen, hold “-” (minus button) and press the following: UP, DOWN, RIGHT, LEFT, 1, 2. Carbuncle’s voice will confirm correct code entry.
Hidden modes:
Five hidden gameplay modes include: Non-Stop Fever, Excavation, Giant Puyo, Ice block, and spinner. To unlock these modes, repeatedly buythe item in the fourth tab of the shop until you unlock one of these modes. You must unlock all five individually this way.