From the back cover:
Cosmic Encounter is a fast-paced social game in which you are an Alien determined to conquer the universe. Like the other Aliens, you have an arcane power that allows you to break one rule of the game all the time.
this version of Cosmic Encounter redefines a classic game that die-hard fans have been enjoying for over a decade. this box features the best aspects of previous versions, balanced play and a cluster of new Alien Powers.