Cosmic Encounter Wiki

The original Eon Productions edition of Cosmic Encounter was released in 1977. It included 15 aliens and supported up to four players.


Fifteen aliens were included with this edition:



A total of nine expansion sets were released, bringing the total number of aliens to 75 and players to six. These expansions were numbered rather than named.

  • Expansion 1 (1977): 10 new aliens and orange (silver in early print runs) components for a 5th player
  • Expansion 2 (1977): 10 new aliens and purple (gold in early print runs) components for a 6th player
  • Expansion 3 (1978): 15 new aliens and new cards for the deck
  • Expansion 4 (1979): Flares for all aliens that existed up to this point (base game and expansions 1-3); 2 new aliens that can be used to add a 7th or 8th player to the game
  • Expansion 5 (1980): Moons
  • Expansion 6 (1981): Lucre and 10 new aliens, many of which made use of Lucre
  • Expansion 7 (1981): 14 new aliens
  • Expansion 8 (1982): Flares for all aliens from Expansion 6, Expansion 7 and the upcoming Expansion 9, and new cards for the deck, including the new Kickers
  • Expansion 9 (1983): 1 new alien and stickers for two new gameplay variants