Massively Multiplayer RPGs may have started with fantasy settings, but the concept has always belonged to science fiction. After all, there are plenty of stories that essentially revolve around sci-fi MMOs, and it’s only natural that gamers would want to participate in those realities. These are the games that the genre was meant for, for better or for worse. https://litrpgreads.com/blog/free-sci-fi-mmorpg-games-2017 1400 or so words looking at 11 Sci-Fi MMORPGs