The Sims 3: Pets is an expansion to the game The Sims 3 on. Although the original Sims 3 game was on Nintendo DS, Wii, and 3DS, this game is only on 3DS. This game will use the same formula as The Sims 2: Pets. This game is namely different in the fact you may play as the pets.
There is a new town for the Pets expansion, Sugar Maple Coast.
There are a total of thirty possible pet traits. In Create-A-Pet, each pet can be given up to two traits. Pets can learn up to eleven traits, and they can also "un-learn" them. A few traits cannot be learned. Some traits are unique to one species, and some can be for any species. There are also some traits that will conflict with one another, such as Likes Swimming and Hydrophobic.