The Sims 3 Pets Expansion [Mac Download] Be the pet - Wield control of your pets to chase, dig, tackle, and more. Be the perfect companion or wreak havoc on your Sims! Pets have their own traits - From intelligent, friendly, and proud to playful, adventurous, and aggressive, determine the personalities of your Sims' pets. Pets can learn skills - Cats and dogs can learn to hunt, dogs can learn to locate collectibles and fetch your Sims a date. With career opportunities, your Sims' pets can even work their way up the chain to become the ultimate criminal mastermind. More pets mean more fun! Create a wide variety of unique dogs, cats, and - for the first time ever - horses! Think your Sim has what it takes to tame a wild horse?