Pets like Dogs, Cats, Horses and Unicorns are fully controllable now and a big money maker to your household.
Anyway. the game lets you control 3 major pets, cats, dogs and horses. Unicorns, you need to adopt them first, so you can save them to bin, then you can create more unicorns later.
cats can hunt minor pets for you including beetles and fishes. at high level of this hunting skills they will be able to catch rare expensive reptiles and beetles including birds, snakes, lizards and turtles
Dogs can dig up treasures for you including meteor rocks, gems and metals. at high level of this hunting skills. your dog may even get you a huge meteor rocks that cost 30K
Horses are have many uses. you earn money by joing a race, or sell them or breed them.
this game includes a new Town. a new venue, furnitures, outfit, Lifetime wishes for your sims. New traits for both sims and the 3 major pets. and the 3 major pets have thier own lifetime Rewards for you to unlock.
if you love sims before. you defenitley gonna love this game. it's gonna keep you busy for a long time. this game also upgrade your photography skills and the Butterfly collector. there are also a lot of upgrades and collectibles this game has brought. I'm impressed they make sims 3 pets actually fun to play compare to the sims 2 pets.