God sim that places you in charge of individual lives. You can set up a household of your own, defining the appearance and character traits of the residents. You control what the people eat, what the do for a living and how they spend their money and their leisure time. You can also design their houses.
Still remember modifying rooftop tiles for this game, plus installing mods (new furniture pieces etc) for it. One of the earliest games that I modded and played mods for. (And didn't remember it until now, it was so long time ago.)