Double ball (free) new version is available.
This is a maze adventure game.
There are three stages in the game--Chinese Bamboo; the African desert; the Arctic Glaciers. Every stage includes many levels with different difficult levels. You should use Iphone gravity sensor system to control red ball and blue ball crossing different terrain scenes maze. Some small cute props are designed for the game, such as locks, doors, connecting rope. All these props make the game more fun and difficult to manipulate. And unique feature is coming...achievement system.
More exciting, please download the official version.