The action takes place in the water world which doesn't have dangers such as sharks, jellyfish, stingrays, penguins and plankton =).
You need to throw all the tori (donuts) on the pins using by the two screen buttons and accelerometer. When you press the left button on the screen - the flow of water ejected from the left, which pushes tori,when you press the right button the wave coming from the right. Also the tori moves when the screen is rotated .
Test your accuracy, wisdom and a sense of balance under the water.
