If you are looking for the game today, it is no longer officially sold by EA, though legacy editions like the Super Collection remain available for Mac users.
The Ultimate Collection allows you to experience the full synergy of all packs: the-sims-2-ultimate-collection
: Add Downtown , Sim State University , and vacation destinations to a single neighborhood to create a massive, interconnected world. If you are looking for the game today,
: Use "Clean Neighborhoods" to replace the original, bugged versions of Pleasantview, Strangetown, and Veronaville. Sim State University
: Use the Seasons cycle to keep track of multiple families—play each household for one season before moving to the next to keep the neighborhood aging at the same rate.