It's the World's first serial videogame. Download of the first two adventures is free. The other one's cost less than a movie ticket. The Earth is forced to leave her solar orbit because her survival is threatened by the arrival of enormous meteorites. After equipping herself with rocket engines and a protective shield, the planet begins its long voyage in search of another habitat. During the voyage she must protect herself from countless threats and must procure the energy and the resources necessary to maintain her population.During her odyssey, the Earth encounters one of the three Thinking Planets in the Universe, Eurystheus, which forces her to submit to seven dangerous tests.