In the small tourist lake lives a very dangerous predator - the piranha. She was always hungry, so your task is to feed it. It will be fed by tourists swim, destroying their boats. As feeding it will grow and the more it eats, the bigger grows eventually it will turn into a real storm lake. As the implementation of the missions, you can go to a game store and buy useful improvements to enhance your monster. Try to perform the job to the maximum to get a lot of resources and bonuses.