So, I been goofing around with Sims 4 for a bit, but haven't really played for very long on any one Sim. I was considering starting a legacy challenge, and I was wondering how the story progression is in Sims 4. Do Townies get married/have babies? If not, how does the town get repopulated? Would filling worlds like Newcrest with houses encourage new Sims to move in?
Welcome back!
Story progression is almost non-existent. You have the option to check "Fill empty houses" and those will give you new Sims in your town. Sending your Sims to the gym, the park, etc. will also generate townies. But they don't interact with each other much. You can also go into Household Management and delete/create townies.
Mods are one way to provide story progression. I think Carl has some recommendations on the Guide.
Another way is to play rotationally. I've got 10 families going, and some people try to control everyone in their Sims world.
I don' think we'll get Story progression this time around, and even in TS3, it broke for me when Pets came out.