It's being worked on by the same team that brought us Elebits, and has been built from the ground up (nice) with the Wii's controller in mind.
The game sees you taking control of Dewy (pictured, bless him). Dewy is a raindrop, you move him around using the Wiimote making use of his elemental powers (freezing, boiling, etc) to get through puzzles. You can also control aspects of the weather, such as lightning, the wind or even earthquakes by performing certain gestures with the Wiimote.
According to Konami, players can tackle the stages on their own or cooperatively with a friend. All in all Dewy's Adventure definitely looks like one to keep an eye on.
Fish now plays... Street Fighter II
PLACE BETS... NOW!
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Wii's World is not officially affiliated with Nintendo! (but they wish we were).