It's not just things like new Create-a-Sim and build mode items that The Sims 4's expansion packs bring with them though, but also new gameplay mechanics, and, in some cases, even brand new worlds. RELATED: The Sims: Things You Didn’t Know About Bella Goth Each one brings something new to the table, with focuses including pets, new careers, different lifestyles, and, of course, extreme weather conditions. Since the release of The Sims 4, players have seen eleven different expansion packs, covering a range of topics and adding various new features to the game.