See Sim Spot run. See Sim Spot chew your Sim's shoes and then chase the Sim neighbor's Sim cat up a tree. Life is about to get a lot hairier for your Sims, but at least Mac gamers will be getting their creature comforts in November, just a few weeks after PC owners. The Sims 2 Pets is the fourth expansion pack in the series, and will feature over 80 breeds of dogs and cats. Better get out the Sim vacuum.