Pets = pets (dogs and cats only, birds and hamsters are simple objects), pets can get jobs, werewolves Open for Business = ownable business lots, badges (for restocking/cashering/salesmen/flower,toy,robot making), toy, floral, and robot making workstations, elevators, sevros (sim robots), lockable doors Nightlife = downtown subhood, chemistry (turn ons/offs), lifetime wants (or was this in uni, can't remember), perm platium (ditto), vampires, Mrs Crumplebottom, cars
Uni = goto college, influence points, 2 additional want slots after graduating, sub-hood (college campus), zombies, natural science career, dorms (installation order is more or less irrelevant in Sims 2) Each expansion adds new features/stuff to the existing Sims 2 game.
