Sims: Unleashed — The supplement introduces dogs and cats that can be family members. The character must care for them, satisfy their basic needs for food, toilet and sleep, and can also make friends with the pet. The addition introduces a new location with residential and public areas. A Sim can go to a pet store to buy a dog, cat, bird, turtle, lizard, or fish. Dogs and cats are divided separately into 12 different breeds, they can be female or male. Once the player chooses a pet, they can name it and take it home. Animals can also leave litter of kittens and puppies.