Lux Aeternum: Empire of Light
It is very Earthlike in atmosphere, climate and ecosystems. There is a large well-irrigated subcontinent, covering over half of the western hemisphere, and a series of islands of various sizes spotting the eastern. The islands to the east are situated mostly among the temperature extremes, providing excellent habitation for the non-human species that do not reside on the primary continent.
Architecture here is a high-tech Victorian with other styles being slowly integrated. The society operates following a modified feudal format. It utilizes noble houses, dynasties and trade guilds to increase the paradigm’s utility.