The Sims™ 3 Store is the official online store for the popular simulation game The Sims™ 3. You can buy the base game, expansion packs, stuff packs, worlds,Shop for Sims 3 games, items, and more at the official EA site. Find out how to redeem codes, link accounts, and get help with online play.Console and Handheld. The Sims 3 Pets for 3DS. The Sims 3 Pets for XBox 360. The Sims 3 Pets for PS3.