Content pack

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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

The Sims 2
The producers released 8 different expansion packs for The Sims 2. They are:
 * University
 * Nightlife
 * Open for Business
 * Pets
 * Seasons
 * Bon Voyage
 * Free Time
 * Apartment Life

Additionally, 10 different stuff packs were released. They are:


 * Holiday Party Pack
 * Family Fun Stuff
 * Glamour Life Stuff
 * Celebration Stuff
 * Happy Holiday Stuff (This was an expanded re-release of the Holiday Party Pack.)
 * H&amp;M Fashion Stuff
 * Teen Style Stuff
 * Kitchen &amp; Bath Interior Design Stuff
 * IKEA Home Stuff
 * Mansion and Garden Stuff

The Sims 3
As of May 31st, 2011 (U.S) and 2nd Jun 2011 (UK) There are four expansion packs that have been released for The Sims 3, and Pets is currently in production. They are (in order of release):
 * World Adventures
 * Ambitions
 * Late Night
 * Generations
 * Pets

There have also been three stuff packs released. Those are:
 * High-End Loft Stuff
 * Fast Lane Stuff
 * Outdoor Living Stuff

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

Trivia

 * The Sims is the only game whose EPs do not end with an 'S'.
 * Late Night is the only Sims 3 EP that does not end with an 's' as World Adventures, Ambitions, Generations and Pets end with an 's'.
 * The EPs are sometimes spelled as for example, The Sims 3: Late Night instead of The Sims 3 Late Night. EPs are correctly TS3_Late_Night_Page_New_EA_Site.pnged as The Sims 3 Late Night as EA spells the titles without a colon . See image for example.