Darwinia+

[Xbox Live Arcade] Over thousands of generations the peaceful Darwinians have been evolving in a beautiful digital world, but now their whole way of life is under threat from a devastating computer virus that has infected their world and decimated their numbers. Without your protection they don't stand a chance, and it’s up to you to lead them into battle to recapture their lost world in Darwinia+! Once you've proven your command ability, take your Darwinian army online and challenge your friends to strategic combat, as tribes of Darwinians slaughter one another in a desperate struggle for supremacy. [Introversion Software]