Second Life - Second Life is a virtual reality platform where individuals interact in a virtual world. The software was developed in 2003 by Linden Labs. More than one million people now regularly use the software.
Movie Star Planet - Movie Star Planet is an Online Virtual World, MMO, and RPG Simulation by MovieStarPlanet.
IMVU - IMVU is multiplayer online video game created by ‘IMVU Inc’.
The Legend of Pirates Online - Pirates of the Caribbean Online is an Action MMORPG, Exploration, Virtual-World, and Exploration Simulation developed and published by Disney Online.
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.
Blue Mars - Blue Mars is an MMORPG, Fantasy-based, Virtual-World, and Social-Networking Simulation created and published by Avatar Reality.