[From The Developer's Site]
"Control smarter Sims with unique appearances, personalities, behaviors, and emotions. Experience new levels of creativity when you sculpt Sims with the powerful Create A Sim and design beautiful homes with tactile, room-based Build Mode. Use The Gallery to browse, share, and download new content without ever leaving your game. Control the mind, body, and heart of your Sims and explore your new gameplay possibilities in vibrant neighborhoods that bring your stories to life."
While the story and combat are the biggest aspects of the two games and obviously matter, and are themselves unique, the little things are what really make the early Paper Mario games so great because their immersive detail and sheer quantity allowed the world of Mario to feel the realest and most alive it ever has. read more What Made Paper Mario 64 and Paper Mario: The Thousand-Year Door So Special?