The galaxy of Cosmic Encounter, like most galaxies, is constantly changing. Just when you think you`ve explored every corner of it and met most of its aliens, you turn around to find that a new star system has just materialized, full of new species with astonishing, wildly unique customs. You`ve learned that when interacting with a strange alien for the first time, its best not to reveal all of your hand at once. If you want to establish colonies in these recently-formed parts of the galaxy, you`ll have to be conceal your true intentions, negotiate with cunning, and be careful not to put your foot into cross-cultural quicksand - or into your mouth.

Cosmic Eons, an expansion for Cosmic Encounter, introduces new aliens with abilities unlike any you`ve dealt with so far, but it doesn`t stop there. This expansion features the Hidden Alliances variant, which enables you and your opponents to reveal simultaneously whose side you`re on. With this simple mechanical twist, Cosmic Eons promises not just to open up a new part of the galaxy, but to change how you play the game.