Story Puzzle and Vs. Puzzle Modes:
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 Llives:
At the start menu press Up, Up, Down, Down then X.
GameShark Codes
(M) Must Be On EC88F9341456E60A Always Shielded 4CB789F81456E7A6
Thanks to Revolution readers Namor, Mills, Gotha Jones and Neptune!