Content pack

Expansion packs (EP) are add-ons for The Sims games. They make the original game more interesting by providing new things to the game, and are often centered around a theme. They require the original game (also known as base game or core game) to work. Sometimes, collections or compilations of the base game and one or more expansion(s) are released. The Sims 2 and The Sims 3 also offered mini-expansions called stuff packs (SP), which offered only new objects and clothes, though they sometimes included gameplay changes as well. Gamers are advised to check what an edition includes before buying it.

The Sims
In The Sims, there are 7 expansion packs. They are:
 * Livin' Large
 * House Party
 * Hot Date
 * Vacation
 * Unleashed
 * Superstar
 * Makin' Magic


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The Sims 3
, there have been nine expansion packs that have been released for The Sims 3. They are (in order of release): Two further expansions are set to be released for The Sims 3. The Sims 3: Island Paradise in June, and an unnamed future time travel expansion.
 * World Adventures
 * Ambitions
 * Late Night
 * Generations
 * Pets
 * Showtime
 * Supernatural
 * Seasons
 * University Life

There are also eight stuff packs that have been released. These stuff packs, in order of release, are: Also, a ninth stuff pack is slated for Fall 2013.
 * High-End Loft Stuff
 * Fast Lane Stuff
 * Outdoor Living Stuff
 * Town Life Stuff
 * Master Suite Stuff
 * Katy Perry's Sweet Treats
 * Diesel Stuff
 * 70s, 80s &amp; 90s Stuff

Themes
Each expansion pack for The Sims is centered around one or more themes. Popular expansion packs included dating, pets, seasons, vacationing and exotic destinations, business and magic.