Distant Worlds 2

Distant Worlds 2 is a vast, pausable real-time 4X space strategy game. Experience the full depth and detail of turn-based strategy, but with the simplicity and ease of real-time, and on the scale of a massively-multiplayer online game. Huge Galaxies with up to 2,000 star systems and tens of thousands of planets, moons and asteroids are yours to explore and exploit. The complex process of generating a galaxy ensures that every new game will be different. (Steam)