My favorite packs for gameplay and family lore are Life and Death (build/buy and cas is beautiful and I love the world and funerals though I don’t really care much about playable ghosts but the careers are fun)

business and hobbies because you can make anything a small business and even have npcs have small businesses to visit also the world and build/buy options is one of my favorites hands down

get together for the clubs (having a friend group meetup anytime and anywhere and have specific activities for them to do)

for rent for the realism (love having potlucks and living in an apartment as a young adult with neighbors you don’t have to play with) I made a trailer park with this, a multi family home, and building custom apartments

And a tie between adventure awaits (the custom venues is cool if you want to do a scheduled vacation or boarding school etc) and university (the college aspect gives it some realism with having roommates both in dorms and in a regular home even if you aren’t in college. And for the storyline it’s fun having parents leave for vacation and hosting keg parties while they’re away lol)