A galaxy is a gravitationally-bound structure consisting of billions of stars (and other objects). There are several galaxies in the series of games and TV series:
- The "Milky Way Galaxy", home of the humans.
- The "Andromeda Galaxy", nearest galaxy to the Milky Way Galaxy.
- The "Spore Galaxy", in which the games Spore and Spore Creatures are set.
- The "North Galaxy", in the Seventh Universe
- The "South Galaxy", in the Seventh Universe
- The "Girdo Galaxy" is mentioned in the "A Pink Geode" Rare.
- Nearby Galaxies, which appear in the background (but cannot be visited).