The storyline goes that Zool is a ninjaant from the nth dimension who is forced to land on Earth. In order to gain ninja ranking he has to pass seven lands.
Zool contained a number of embedded games, including several arcade games, a scrolling space shooter and a game accessible only by making Zool play a certain tune on an in-game piano.
When it was first released it was heavily criticized for the large amount of sponsored advertisements in the game from a sweets company.