Race for the Galaxy: Alien Artifacts is a single expansion for the Race for The Galaxy base game.
Contents:
45 New cards and start worlds to add to the base set, plus a set of action cards and start hand for a fifth player.
45 New cards and Alien tokens used to represent the Alien Orb which players jointly map and explore, gaining tokens of various types that provide powers and VPs.
5 New Explore action cards used to map the Orb
For more information, including rules translations, visit BoardGameGeek.