Pet Society - Pet Society is a Virtual World Simulation with strong Fantasy, Digital Pet, Single and Multiplayer Elements.
Panfu - Panfu is really a virtual world focusing on kids aged between 5 and 14.
WeeWorld - WeeWorld - the social network built for fun where you can meet new friends, send messages, play...
Horse Isle - Horse Isle is usually a horse orientated web browser based MMO which will have you exploring the world on horse-back, engaged in the community and all sorts of manner of horse orientated activities.
Neopets - Neopets is an Amazing, Virtual World, Massively Multiplayer Online, Role-playing and Fantasy-based video game developed and published by Viacom.
Fishao - Fishao includes the fun of fishing, competitions and also virtual worlds into the one that creates a quite distinctive and enjoyable video game experience.