Aqua Aqua

Keeping Water:
First of all build small lakes or rain will fall and come off the edges if you try to build right around the land straight away.

Get special stuff:
Evapourate water from different parts of the land so you get special stuff by completing the bingo card in the middle.

Unlock stuff:
Earn a "Master" rank in all four stages to unlock the Hidden Future in story puzzle mode.
Successfully complete the Cenozoic Era to unlock the Ancient Civilization in story puzzle mode.
Successfully complete the Mesozoic Era to unlock the Cenozoic Era in story puzzle mode.
Successfully complete the Paleozoic Era to unlock the Mesozoic Era in story puzzle mode.
Successfully complete all lessons in training mode to unlock story puzzle and vs. puzzle modes.

Hidden Future:
Earn a "Master" rank in all four stages to unlock the Hidden Future in story puzzle mode.