Crossplay

Is Endless Space crossplay?

Endless Space is only released on one platform, so there is nothing to cross-play with.

Steam's own store page lists cross-platform multiplayer for Endless Space. That confirms it exists, but not which platforms pair up.

This galaxy is ancient, and its first intelligent life was the civilization we call the Endless. Long before our eyes gazed upon the stars they flew between them, though all that remains of this people is what we call Dust. A substance found scattered, or in forgotten temples, it once gave powers to admirals and galactic governors. The galaxy will belong to the faction that can take control of the Dust and uncover its secrets…