Hello Mike.
Shewolf is right about Twallan's Story Progression; it's a great mod for keeping the townies alive and well. However, it's also good for your purpose, which is getting new life into a game that's seven generations in.
If you want to rapidly get new townie families without much work on your end, you can get the mod and follow a few steps:
- Go to the options for the mod. You can access this by clicking on City Hall -> Nraas -> Story Progression.
- Turn on immigration, because it is off by default. This is under General Options -> Options: Lots -> Immigration/Emigration. You'll notice that the Immigration Gauge is set to 0 and that there are no other options. Set Immigration Gauge to another number. For this, it doesn't matter what. This will unlock a huge list of immigration options.
- Go to the Rapid Immigration option and enter in a number. This is the number of townie families that the game will move into town as fast as it can (will take a few game-hours).
That's the basics of rapid immigration, anyways. There are a lot of other options for immigration to fine-tune what types of sim come into town, but I would refer to the
Nraas Wiki or to our Game Mods board for a deeper analysis of them. And Story Progression is a huge mod, to say the least. There are a lot of options for everything and it might be overwhelming at first.
Though if you want to do it without a mod, you might want to open up CAS and create some fresh new townies for yourself, whether you want to or not.
You could also just download sims from our Swap Shop or elsewhere to cut out the step of actually making sims for your town. I don't know of any sure way of planting townies without a mod that doesn't involve doing the work yourself in CAS.
And while Shewolf also mentioned my immense guide of tips for keeping your town alive by pollination without mods, it's tailored towards our dynasty challenges and it's assumed that you just started your game rather than got seven generations in.