MySims Kingdom - MySims Kingdom is based upon The Sims series but provides special and extremely different gameplay to the original series making it definitely worth your consideration.
Dream Builder: Amusement Park - Dream Builder: Amusement Park is a Commercial, City-Building, Strategy, and Simulation created by Big Fish Games.
Gaia Online - Gaia Online is 3D Social Networking, Virtual World, and Browser-based Simulation.
Gemini Lost - Gemini Lost is an Action, Strategy, Single-player and life-Simulation created and published by PlayFirst.
YoWorld (Yoville) - YoWorld or formerly known as Yoville, is an Action, Browser-based, MMO, RPG, Single-player and Multiplayer, Social networking, and Virtual World Simulation developed by Big Viking Games.
Escape From Paradise - Consider going on a luxury cruise to wind up stranded on a mysterious island in the center of the Pacific Ocean.