Story Puzzle and Vs. Puzzle Modes:
Beat all lessons in training mode to unlock story puzzle and vs. puzzle modes.
Beat the Paleozoic Era to unlock the Mesozoic Era in story puzzle mode.
Beat the Mesozoic Era to unlock the Cenozoic Era in story puzzle mode.
Beat the Cenozoic Era to unlock the Ancient Civilization in story puzzle mode.
Earn a "Master" rank in all four stages to unlock the Hidden Future in story
At the start menu press Up, Up, Down, Down then .
(M) Must Be On
Thanks to Revolution readers Namor, Mills, Gotha Jones and Neptune!