Unlock Everything
To unlock all hidden characters and rulesets, press the following codes at the title screen while holding [L]+[R]: [Up], [Down], [Right], [Left], [X], [B], [Y], [A].
Hints
Unlock different Puyo Types
Unlock other kind of Puyo to be used during gameplay:
Bean(8P) - Get 2 "S-Ranks" in Story Mode
Block(8P) - Get 8 "S-Ranks" in Story Mode
Box (8P and 2-4P) - Achieve High score on Endless Fever
Capsule (8P and 2-4P) - Achieve High score on Endless Battle Fever rule
Human (8P and 2-4P) - Achieve High score on Endless Battle 2 rule
Morolian(2P-4P) - Get 16 "S-Ranks" in Story Mode
MSX(2P-4P) - Get 12 "S-Ranks" in Story Mode
Sonic(2P-4P), Charcoal(2P-4P) - Get 22 "S-Ranks" in Story Mode
Star(8P) - Get 4 "S-Ranks" in Story Mode
Tile(8P) - Get 6 "S-Ranks" in Story Mode