Stellaris: Utopia is an add-on for the global real-time space strategy Stellaris. The expansion includes new megastructures, Dyson spheres, ring worlds, habitat stations and much more. And also a new element called “Indoctrination”, thanks to which you can use your observation stations to influence the ethics of primitive species. During the indoctrination mission, you will be able to use your ethics in preparation for enlightening primitive species or annexation.
The add-on requires the original version of Stellaris.