Beat all lessons in training mode to unlock story puzzle and vs. puzzle modes.
Mesozoic Era:
Beat the Paleozoic Era to unlock the Mesozoic Era in story puzzle mode.
Cenozoic Era:
Beat the Mesozoic Era to unlock the Cenozoic Era in story puzzle mode.
Ancient Civilization:
Beat the Cenozoic Era to unlock the ancient Civilization in story puzzle mode.
Hidden Future:
Earn a "Master" rank in all four stages to unlock the Hidden Future in story puzzle mode.
999 Lives:
At the start menu press Up, Up, Down, Down, X.
-------------------------------------------------------------------------------------------------------------------------------
GameShark Codes
Must Be On
EC88F9341456E60A
Always Shielded
4CB789F81456E7A6