At GOG (Good Old Games), gamers can currently get their hands on a free strategy game in which you take control of a dwarf colony. However, the offer is only valid until tomorrow. https://www.notebookcheck.net/Only-for-short-time-GOG-offers-popular-strategy-game-for-free.919694.0.html
I read german, but I doubt most readers do, so linking to the german page of GOG doesn't seem to be a great idea. This has happened multiple times on this site.